Add a separate "From" address for mailboxes that can't send as their own login

Real error from the previously-silent delivery failure: "550 5.7.60 SMTP; Client does not have permissions to send as this sender" — Exchange Online's exact rejection when the authenticated identity doesn't match the asserted From address. Common in hybrid M365/on-prem AD setups: the SMTP login is the AD UPN (e.g. elsup@zag.lan), but the mailbox's actual permitted send-as address is a different, customer-facing domain. Added an optional mailbox_config.fromAddress, surfaced in the email settings form, defaulting to the login when unset so every existing setup is unaffected. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Gh2UXUQUVBWroWEnn1FLFG
Surface channel delivery failures on agent replies instead of swallowing them
2026-10-07 10:02:24 +00:00 · 2026-10-07 08:26:54 +00:00 · 2026-10-07 07:24:14 +00:00 · 2026-10-07 07:14:07 +00:00 · 2026-09-09 06:42:45 +00:00 · 2026-09-09 06:20:52 +00:00
73 changed files with 10655 additions and 117 deletions
@@ -22,6 +22,16 @@ COPY . .
 # Migrating first — as its own isolated, single-process step — means the
 # workers only ever see an already-existing, already-stable file.
 RUN mkdir -p data && npm run db:migrate
+# A second, separate race: drizzle-kit's migrate command opens its own
+# connection and leaves the file in SQLite's default (non-WAL) journal
+# mode. The *first* pragma("journal_mode = WAL") call on a file is a real
+# mode switch requiring a brief exclusive lock — and unlike ordinary
+# statements, that specific switch doesn't reliably honor busy_timeout, so
+# when all of next build's workers race to be the one performing it, one
+# loses and throws SQLITE_BUSY regardless of the 30s timeout configured in
+# lib/db/client.ts. Switching to WAL here, once, single-process, means
+# every worker's own pragma call below is just a no-op mode check.
+RUN node -e "require('better-sqlite3')('data/db.sqlite').pragma('journal_mode = WAL')"
 RUN npm run build

 ENV NODE_ENV=production
@@ -1,3 +1,8 @@
+# Explicit project name — without this, Compose derives it from the
+# directory basename, which can collide with an unrelated sibling repo
+# checked out under the same name on another host/path. Never omit this.
+name: top-tickets
+
 services:
  app:
    build: .
@@ -11,6 +16,21 @@ services:
    volumes:
      - data:/data
    restart: unless-stopped
+    networks:
+      top_tickets_net:
+        ipv4_address: 10.201.0.10

 volumes:
  data:
+
+# Explicit subnet — Docker's auto-assigned default bridge range (often
+# 172.17-172.31.0.0/16) can land on the same block as a real LAN/VLAN,
+# breaking routing to it from this host. Picking a private range nothing
+# else here uses avoids that; see zportal (10.199.0.0/24) and kkpab
+# (10.200.0.0/24) for the same pattern.
+networks:
+  top_tickets_net:
+    driver: bridge
+    ipam:
+      config:
+        - subnet: 10.201.0.0/24
@@ -10,6 +10,7 @@
      "dependencies": {
        "argon2": "^0.45.1",
        "better-sqlite3": "^12.11.1",
+        "cheerio": "^1.2.0",
        "drizzle-orm": "^0.45.2",
        "framer-motion": "^12.4.7",
        "html-to-text": "^10.0.0",
@@ -19,8 +20,11 @@
        "mailparser": "^3.9.14",
        "next": "16.2.12",
        "nodemailer": "^9.0.3",
+        "otplib": "^13.4.1",
+        "qrcode": "^1.5.4",
        "react": "19.2.4",
        "react-dom": "19.2.4",
+        "sanitize-html": "^2.13.1",
        "telegraf": "^4.16.3",
        "web-push": "^3.6.7",
        "zod": "^4.4.3"
@@ -32,8 +36,10 @@
        "@types/mailparser": "^3.4.6",
        "@types/node": "^20",
        "@types/nodemailer": "^8.0.1",
+        "@types/qrcode": "^1.5.6",
        "@types/react": "^19",
        "@types/react-dom": "^19",
+        "@types/sanitize-html": "^2.16.1",
        "@types/web-push": "^3.6.4",
        "drizzle-kit": "^0.31.10",
        "eslint": "^9",
@@ -2087,6 +2093,17 @@
        "node": ">= 10"
      }
    },
+    "node_modules/@noble/hashes": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-2.3.0.tgz",
+      "integrity": "sha512-oN+QwyX7VSHotibwubG3kpzbwKrfnyR6OOO+3Nk/53ADL7FmgHHz4TgrbaYKvvOw09u6QTx0oiH1cNCIOuN0CQ==",
+      "engines": {
+        "node": ">= 20.19.0"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
    "node_modules/@nodelib/fs.scandir": {
      "version": "2.1.5",
      "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -2131,6 +2148,56 @@
        "node": ">=12.4.0"
      }
    },
+    "node_modules/@otplib/core": {
+      "version": "13.4.1",
+      "resolved": "https://registry.npmjs.org/@otplib/core/-/core-13.4.1.tgz",
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+    },
+    "node_modules/@otplib/hotp": {
+      "version": "13.4.1",
+      "resolved": "https://registry.npmjs.org/@otplib/hotp/-/hotp-13.4.1.tgz",
+      "integrity": "sha512-g9q04SwpG5ZtMnVkUcgcoAlwCH4YLROZN1qhyBwgkBzqYYVSYhpP6gSGaxGHwePLt1c+e6NqDlgIZN+e1/XPuA==",
+      "dependencies": {
+        "@otplib/core": "13.4.1",
+        "@otplib/uri": "13.4.1"
+      }
+    },
+    "node_modules/@otplib/plugin-base32-scure": {
+      "version": "13.4.1",
+      "resolved": "https://registry.npmjs.org/@otplib/plugin-base32-scure/-/plugin-base32-scure-13.4.1.tgz",
+      "integrity": "sha512-Fs/r5qisC05SRhT6xWXaypB6PVC0vgWf6zztmi0J5RnQ09OJiPDWCJFH6cDm6ANsrdvB9di7X+Jb7L13BoEbUA==",
+      "dependencies": {
+        "@otplib/core": "13.4.1",
+        "@scure/base": "^2.2.0"
+      }
+    },
+    "node_modules/@otplib/plugin-crypto-noble": {
+      "version": "13.4.1",
+      "resolved": "https://registry.npmjs.org/@otplib/plugin-crypto-noble/-/plugin-crypto-noble-13.4.1.tgz",
+      "integrity": "sha512-PJfVW8/1hdS6CfxLheKPZSLTwDq4TijZbN4yRjxlv0ODdzmxpM+wGwWr1JXMdy0xJPxLziydQD5gdVqrR4/gAg==",
+      "dependencies": {
+        "@noble/hashes": "^2.2.0",
+        "@otplib/core": "13.4.1"
+      }
+    },
+    "node_modules/@otplib/totp": {
+      "version": "13.4.1",
+      "resolved": "https://registry.npmjs.org/@otplib/totp/-/totp-13.4.1.tgz",
+      "integrity": "sha512-QOkBVPrf6AM4qZaReZPSk9/I8ATVdZpIISJz115MqeVtcrbcr5llPZ0J7804tpnjnp1vCRkI5Qjd47HhgVteBQ==",
+      "dependencies": {
+        "@otplib/core": "13.4.1",
+        "@otplib/hotp": "13.4.1",
+        "@otplib/uri": "13.4.1"
+      }
+    },
+    "node_modules/@otplib/uri": {
+      "version": "13.4.1",
+      "resolved": "https://registry.npmjs.org/@otplib/uri/-/uri-13.4.1.tgz",
+      "integrity": "sha512-xaIm7bvICMhoB2rZIR5luiaMdssWR5nY5nXnR1fdezUgZuEO58D6zrGzLp7pQuBmlpmL0HagnscDQFoskp9yiA==",
+      "dependencies": {
+        "@otplib/core": "13.4.1"
+      }
+    },
    "node_modules/@phc/format": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/@phc/format/-/format-1.0.0.tgz",
@@ -2475,6 +2542,14 @@
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      "dev": true
    },
+    "node_modules/@scure/base": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/@scure/base/-/base-2.3.0.tgz",
+      "integrity": "sha512-NsG6Y03tY6R5BUis4FdVtHVkur0U6FOzskgs9ZXNl78CUc9fkZ78HmENUle1nSOkCasDmbubmWD9qwB7mm4PZA==",
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
    "node_modules/@selderee/plugin-htmlparser2": {
      "version": "0.12.0",
      "resolved": "https://registry.npmjs.org/@selderee/plugin-htmlparser2/-/plugin-htmlparser2-0.12.0.tgz",
@@ -2861,6 +2936,15 @@
        "@types/node": "*"
      }
    },
+    "node_modules/@types/qrcode": {
+      "version": "1.5.6",
+      "resolved": "https://registry.npmjs.org/@types/qrcode/-/qrcode-1.5.6.tgz",
+      "integrity": "sha512-te7NQcV2BOvdj2b1hCAHzAoMNuj65kNBMz0KBaxM6c3VGBOhU0dURQKOtH8CFNI/dsKkwlv32p26qYQTWoB5bw==",
+      "dev": true,
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
    "node_modules/@types/react": {
      "version": "19.2.17",
      "resolved": "https://registry.npmjs.org/@types/react/-/react-19.2.17.tgz",
@@ -2879,6 +2963,15 @@
        "@types/react": "^19.2.0"
      }
    },
+    "node_modules/@types/sanitize-html": {
+      "version": "2.16.1",
+      "resolved": "https://registry.npmjs.org/@types/sanitize-html/-/sanitize-html-2.16.1.tgz",
+      "integrity": "sha512-n9wjs8bCOTyN/ynwD8s/nTcTreIHB1vf31vhLMGqUPNHaweKC4/fAl4Dj+hUlCTKYgm4P3k83fmiFfzkZ6sgMA==",
+      "dev": true,
+      "dependencies": {
+        "htmlparser2": "^10.1"
+      }
+    },
    "node_modules/@types/web-push": {
      "version": "3.6.4",
      "resolved": "https://registry.npmjs.org/@types/web-push/-/web-push-3.6.4.tgz",
@@ -3647,11 +3740,18 @@
        "url": "https://github.com/sponsors/epoberezkin"
      }
    },
+    "node_modules/ansi-regex": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+      "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
+      "engines": {
+        "node": ">=8"
+      }
+    },
    "node_modules/ansi-styles": {
      "version": "4.3.0",
      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
      "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
-      "dev": true,
      "dependencies": {
        "color-convert": "^2.0.1"
      },
@@ -4011,6 +4111,11 @@
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    },
+    "node_modules/boolbase": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/boolbase/-/boolbase-1.0.0.tgz",
+      "integrity": "sha512-JZOSA7Mo9sNGB8+UjSgzdLtokWAky1zbztM3WRLCbZ70/3cTANmQmOdR7y2g+J0e2WXywy1yS468tY+IruqEww=="
+    },
    "node_modules/brace-expansion": {
      "version": "1.1.16",
      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.16.tgz",
@@ -4184,6 +4289,14 @@
        "node": ">=6"
      }
    },
+    "node_modules/camelcase": {
+      "version": "5.3.1",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
+      "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
    "node_modules/caniuse-lite": {
      "version": "1.0.30001806",
      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001806.tgz",
@@ -4244,6 +4357,46 @@
        "node": ">= 16"
      }
    },
+    "node_modules/cheerio": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/cheerio/-/cheerio-1.2.0.tgz",
+      "integrity": "sha512-WDrybc/gKFpTYQutKIK6UvfcuxijIZfMfXaYm8NMsPQxSYvf+13fXUJ4rztGGbJcBQ/GF55gvrZ0Bc0bj/mqvg==",
+      "dependencies": {
+        "cheerio-select": "^2.1.0",
+        "dom-serializer": "^2.0.0",
+        "domhandler": "^5.0.3",
+        "domutils": "^3.2.2",
+        "encoding-sniffer": "^0.2.1",
+        "htmlparser2": "^10.1.0",
+        "parse5": "^7.3.0",
+        "parse5-htmlparser2-tree-adapter": "^7.1.0",
+        "parse5-parser-stream": "^7.1.2",
+        "undici": "^7.19.0",
+        "whatwg-mimetype": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=20.18.1"
+      },
+      "funding": {
+        "url": "https://github.com/cheeriojs/cheerio?sponsor=1"
+      }
+    },
+    "node_modules/cheerio-select": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/cheerio-select/-/cheerio-select-2.1.0.tgz",
+      "integrity": "sha512-9v9kG0LvzrlcungtnJtpGNxY+fzECQKhK4EGJX2vByejiMX84MFNQw4UxPJl3bFbTMw+Dfs37XaIkCwTZfLh4g==",
+      "dependencies": {
+        "boolbase": "^1.0.0",
+        "css-select": "^5.1.0",
+        "css-what": "^6.1.0",
+        "domelementtype": "^2.3.0",
+        "domhandler": "^5.0.3",
+        "domutils": "^3.0.1"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/fb55"
+      }
+    },
    "node_modules/chownr": {
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      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
@@ -4254,11 +4407,20 @@
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    },
+    "node_modules/cliui": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-6.0.0.tgz",
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+      "dependencies": {
+        "string-width": "^4.2.0",
+        "strip-ansi": "^6.0.0",
+        "wrap-ansi": "^6.2.0"
+      }
+    },
    "node_modules/color-convert": {
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-      "dev": true,
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@@ -4269,8 +4431,7 @@
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-      "dev": true
+      "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
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    "node_modules/concat-map": {
      "version": "0.0.1",
@@ -4318,6 +4479,32 @@
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    },
+    "node_modules/css-select": {
+      "version": "5.2.2",
+      "resolved": "https://registry.npmjs.org/css-select/-/css-select-5.2.2.tgz",
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+      "dependencies": {
+        "boolbase": "^1.0.0",
+        "css-what": "^6.1.0",
+        "domhandler": "^5.0.2",
+        "domutils": "^3.0.1",
+        "nth-check": "^2.0.1"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/fb55"
+      }
+    },
+    "node_modules/css-what": {
+      "version": "6.2.2",
+      "resolved": "https://registry.npmjs.org/css-what/-/css-what-6.2.2.tgz",
+      "integrity": "sha512-u/O3vwbptzhMs3L1fQE82ZSLHQQfto5gyZzwteVIEyeaY5Fc7R4dapF/BvRoSYFeqfBk4m0V1Vafq5Pjv25wvA==",
+      "engines": {
+        "node": ">= 6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/fb55"
+      }
+    },
    "node_modules/csstype": {
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      "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.2.3.tgz",
@@ -4397,6 +4584,14 @@
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+    "node_modules/decamelize": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
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+      "engines": {
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+      }
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      "dev": true
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+    "node_modules/deepmerge": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-4.3.1.tgz",
+      "integrity": "sha512-3sUqbMEc77XqpdNO7FRyRog+eW3ph+GYCbj+rK+uYyRMuwsVy0rMiVtPn+QJlKFvWP/1PYpapqYn0Me2knFn+A==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
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    "node_modules/deepmerge-ts": {
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@@ -4484,6 +4687,11 @@
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+    "node_modules/dijkstrajs": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/dijkstrajs/-/dijkstrajs-1.0.3.tgz",
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+    },
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@@ -4728,6 +4936,29 @@
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+    "node_modules/encoding-sniffer": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/encoding-sniffer/-/encoding-sniffer-0.2.1.tgz",
+      "integrity": "sha512-5gvq20T6vfpekVtqrYQsSCFZ1wEg5+wW0/QaZMWkFr6BqD3NfKs0rLCx4rrVlSWJeZb5NBJgVLswK/w2MWU+Gw==",
+      "dependencies": {
+        "iconv-lite": "^0.6.3",
+        "whatwg-encoding": "^3.1.1"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/encoding-sniffer?sponsor=1"
+      }
+    },
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    },
+    "node_modules/y18n": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.3.tgz",
+      "integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ=="
+    },
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      "version": "3.1.1",
      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
      "dev": true
    },
+    "node_modules/yargs": {
+      "version": "15.4.1",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-15.4.1.tgz",
+      "integrity": "sha512-aePbxDmcYW++PaqBsJ+HYUFwCdv4LVvdnhBy78E57PIor8/OVvhMrADFFEDh8DHDFRv/O9i3lPhsENjO7QX0+A==",
+      "dependencies": {
+        "cliui": "^6.0.0",
+        "decamelize": "^1.2.0",
+        "find-up": "^4.1.0",
+        "get-caller-file": "^2.0.1",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^2.0.0",
+        "set-blocking": "^2.0.0",
+        "string-width": "^4.2.0",
+        "which-module": "^2.0.0",
+        "y18n": "^4.0.0",
+        "yargs-parser": "^18.1.2"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/yargs-parser": {
+      "version": "18.1.3",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-18.1.3.tgz",
+      "integrity": "sha512-o50j0JeToy/4K6OZcaQmW6lyXXKhq7csREXcDwk2omFPJEwUNOVtJKvmDr9EI1fAJZUyZcRF7kxGBWmRXudrCQ==",
+      "dependencies": {
+        "camelcase": "^5.0.0",
+        "decamelize": "^1.2.0"
+      },
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/yargs/node_modules/find-up": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/find-up/-/find-up-4.1.0.tgz",
+      "integrity": "sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==",
+      "dependencies": {
+        "locate-path": "^5.0.0",
+        "path-exists": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/yargs/node_modules/locate-path": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-5.0.0.tgz",
+      "integrity": "sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==",
+      "dependencies": {
+        "p-locate": "^4.1.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/yargs/node_modules/p-limit": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.3.0.tgz",
+      "integrity": "sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==",
+      "dependencies": {
+        "p-try": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/yargs/node_modules/p-locate": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-4.1.0.tgz",
+      "integrity": "sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==",
+      "dependencies": {
+        "p-limit": "^2.2.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
    "node_modules/yocto-queue": {
      "version": "0.1.0",
      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
@@ -16,6 +16,7 @@
  "dependencies": {
    "argon2": "^0.45.1",
    "better-sqlite3": "^12.11.1",
+    "cheerio": "^1.2.0",
    "drizzle-orm": "^0.45.2",
    "framer-motion": "^12.4.7",
    "html-to-text": "^10.0.0",
@@ -25,8 +26,11 @@
    "mailparser": "^3.9.14",
    "next": "16.2.12",
    "nodemailer": "^9.0.3",
+    "otplib": "^13.4.1",
+    "qrcode": "^1.5.4",
    "react": "19.2.4",
    "react-dom": "19.2.4",
+    "sanitize-html": "^2.13.1",
    "telegraf": "^4.16.3",
    "web-push": "^3.6.7",
    "zod": "^4.4.3"
@@ -38,8 +42,10 @@
    "@types/mailparser": "^3.4.6",
    "@types/node": "^20",
    "@types/nodemailer": "^8.0.1",
+    "@types/qrcode": "^1.5.6",
    "@types/react": "^19",
    "@types/react-dom": "^19",
+    "@types/sanitize-html": "^2.16.1",
    "@types/web-push": "^3.6.4",
    "drizzle-kit": "^0.31.10",
    "eslint": "^9",
@@ -0,0 +1,14 @@
+{
+  "name": "top-tickets",
+  "short_name": "top-tickets",
+  "description": "Helpdesk for support@top-sysops.ru, Telegram, and the web.",
+  "start_url": "/dashboard",
+  "scope": "/",
+  "display": "standalone",
+  "background_color": "#f8f7fb",
+  "theme_color": "#6d28d9",
+  "icons": [
+    { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
+    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" }
+  ]
+}
@@ -1,23 +1,27 @@
 "use client";

-import { useState } from "react";
+import { useRef, useState } from "react";
 import { AnimatePresence, motion } from "framer-motion";
-import { X } from "lucide-react";
+import { Paperclip, X } from "lucide-react";

 export function NewTicketModal({ open, onClose }: { open: boolean; onClose: () => void }) {
  const [subject, setSubject] = useState("");
  const [customerName, setCustomerName] = useState("");
  const [customerEmail, setCustomerEmail] = useState("");
  const [body, setBody] = useState("");
+  const [pendingFile, setPendingFile] = useState<File | null>(null);
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);
+  const fileInputRef = useRef<HTMLInputElement>(null);

  function reset() {
    setSubject("");
    setCustomerName("");
    setCustomerEmail("");
    setBody("");
+    setPendingFile(null);
    setError(null);
+    if (fileInputRef.current) fileInputRef.current.value = "";
  }

  async function handleSubmit(e: React.FormEvent) {
@@ -25,16 +29,14 @@ export function NewTicketModal({ open, onClose }: { open: boolean; onClose: () =
    setLoading(true);
    setError(null);

-    const res = await fetch("/api/tickets", {
-      method: "POST",
-      headers: { "Content-Type": "application/json" },
-      body: JSON.stringify({
-        subject,
-        customerName,
-        customerEmail: customerEmail || undefined,
-        body,
-      }),
-    });
+    const formData = new FormData();
+    formData.set("subject", subject);
+    formData.set("customerName", customerName);
+    if (customerEmail) formData.set("customerEmail", customerEmail);
+    formData.set("body", body);
+    if (pendingFile) formData.set("file", pendingFile);
+
+    const res = await fetch("/api/tickets", { method: "POST", body: formData });

    setLoading(false);
    if (!res.ok) {
@@ -104,17 +106,56 @@ export function NewTicketModal({ open, onClose }: { open: boolean; onClose: () =
              </label>
            </div>

-            <label className="mb-4 block text-sm">
+            <label className="mb-1.5 block text-sm">
              <span className="mb-1 block font-medium text-text-muted">Сообщение</span>
              <textarea
                required
                rows={4}
                value={body}
                onChange={(e) => setBody(e.target.value)}
+                onPaste={(e) => {
+                  // Same Ctrl+V screenshot support as the reply box on an
+                  // existing ticket — see ticket-thread.tsx.
+                  const item = Array.from(e.clipboardData.items).find((i) => i.kind === "file" && i.type.startsWith("image/"));
+                  if (!item) return;
+                  const file = item.getAsFile();
+                  if (!file) return;
+                  e.preventDefault();
+                  const extension = item.type.split("/")[1] ?? "png";
+                  setPendingFile(new File([file], `screenshot-${Date.now()}.${extension}`, { type: item.type }));
+                }}
                className="w-full resize-none rounded-md border border-border bg-surface px-3 py-2 outline-none focus:border-accent"
              />
            </label>

+            <input
+              ref={fileInputRef}
+              type="file"
+              className="hidden"
+              onChange={(e) => setPendingFile(e.target.files?.[0] ?? null)}
+            />
+            <div className="mb-4 flex items-center justify-between">
+              {pendingFile ? (
+                <div className="flex flex-1 items-center gap-2 rounded-md border border-border bg-surface-hover px-2.5 py-1.5 text-xs">
+                  <Paperclip size={12} />
+                  <span className="flex-1 truncate">{pendingFile.name}</span>
+                  <button type="button" onClick={() => setPendingFile(null)} className="text-text-muted hover:text-text">
+                    <X size={13} />
+                  </button>
+                </div>
+              ) : (
+                <button
+                  type="button"
+                  onClick={() => fileInputRef.current?.click()}
+                  className="btn btn-ghost"
+                  title="Прикрепить файл"
+                >
+                  <Paperclip size={14} />
+                  Прикрепить файл
+                </button>
+              )}
+            </div>
+
            {error && <p className="mb-3 rounded-md bg-danger-soft px-3 py-2 text-sm text-danger-soft-text">{error}</p>}

            <button type="submit" disabled={loading} className="btn btn-primary w-full justify-center">
@@ -1,6 +1,6 @@
 import { redirect } from "next/navigation";
 import { getCurrentSession } from "@/lib/auth/session";
-import { listTickets } from "@/lib/tickets/service";
+import { listTickets, listTags } from "@/lib/tickets/service";
 import { TicketBoard } from "./ticket-board";

 export default async function DashboardPage() {
@@ -8,6 +8,6 @@ export default async function DashboardPage() {
  if (!session) redirect("/login");

  const currentUser = { id: session.user.id, role: session.user.role };
-  const tickets = await listTickets(undefined, currentUser);
-  return <TicketBoard initialTickets={tickets} currentUser={currentUser} />;
+  const [tickets, tags] = await Promise.all([listTickets(undefined, currentUser), listTags()]);
+  return <TicketBoard initialTickets={tickets} allTags={tags} currentUser={currentUser} />;
 }
@@ -3,10 +3,10 @@
 import { useEffect, useMemo, useState } from "react";
 import Link from "next/link";
 import { AnimatePresence, motion } from "framer-motion";
-import { Send, Globe, UserRound, Mail, MessageSquare, Plus, Inbox, Search, X } from "lucide-react";
+import { Send, Globe, UserRound, Mail, MessageSquare, Plus, Inbox, Search, X, Check } from "lucide-react";
 import { useTicketEvents } from "@/lib/events/use-ticket-events";
 import { formatRelativeTime } from "@/lib/format";
-import type { TicketDTO, TicketStatus } from "@/lib/tickets/types";
+import type { TicketDTO, TicketStatus, TagDTO } from "@/lib/tickets/types";
 import { isTicketVisibleTo } from "@/lib/tickets/visibility";
 import { NewTicketModal } from "./new-ticket-modal";
 import { Avatar } from "@/components/avatar";
@@ -45,9 +45,11 @@ const PRIORITY_COLOR: Record<TicketDTO["priority"], string> = {

 export function TicketBoard({
  initialTickets,
+  allTags,
  currentUser,
 }: {
  initialTickets: TicketDTO[];
+  allTags: TagDTO[];
  currentUser: { id: string; role: "admin" | "agent" };
 }) {
  const [tickets, setTickets] = useState<TicketDTO[]>(initialTickets);
@@ -56,6 +58,41 @@ export function TicketBoard({
  const [query, setQuery] = useState("");
  const [searchResults, setSearchResults] = useState<TicketDTO[] | null>(null);
  const [searching, setSearching] = useState(false);
+  const [selected, setSelected] = useState<Set<string>>(new Set());
+  const [bulkUpdating, setBulkUpdating] = useState(false);
+  const [bulkError, setBulkError] = useState<string | null>(null);
+
+  const toggleSelected = (id: string) => {
+    setSelected((prev) => {
+      const next = new Set(prev);
+      if (next.has(id)) next.delete(id);
+      else next.add(id);
+      return next;
+    });
+  };
+
+  const clearSelection = () => setSelected(new Set());
+
+  const applyBulkStatus = async (status: TicketStatus) => {
+    setBulkUpdating(true);
+    setBulkError(null);
+    try {
+      const res = await fetch("/api/tickets/bulk-status", {
+        method: "PATCH",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ ticketIds: Array.from(selected), status }),
+      });
+      if (!res.ok) throw new Error();
+      // The board's own SSE subscription (useTicketEvents above) already
+      // applies each updated ticket as its own ticket.updated event — no
+      // need to patch local state here too.
+      clearSelection();
+    } catch {
+      setBulkError("Не удалось изменить статус — попробуйте ещё раз");
+    } finally {
+      setBulkUpdating(false);
+    }
+  };

  useTicketEvents("/api/events", (event) => {
    if (event.type === "ticket.created" || event.type === "ticket.updated") {
@@ -100,13 +137,11 @@ export function TicketBoard({

  const baseTickets = query.trim() ? (searchResults ?? tickets) : tickets;

-  const availableTags = useMemo(() => {
-    const map = new Map<string, TicketDTO["tags"][number]>();
-    for (const ticket of baseTickets) {
-      for (const tag of ticket.tags) map.set(tag.id, tag);
-    }
-    return [...map.values()].sort((a, b) => a.name.localeCompare(b.name));
-  }, [baseTickets]);
+  // Every tag that exists, not just ones already applied to a currently
+  // loaded ticket — otherwise a freshly created tag has nothing to filter
+  // by until someone happens to tag a ticket with it. allTags is already
+  // name-sorted server-side (listTags orders by tagsTable.name).
+  const availableTags = allTags;

  const filteredTickets = useMemo(() => {
    if (!activeTagId) return baseTickets;
@@ -186,7 +221,12 @@ export function TicketBoard({
            <div className="flex flex-col gap-2">
              <AnimatePresence initial={false}>
                {byStatus[col.status].map((ticket) => (
-                  <TicketCard key={ticket.id} ticket={ticket} />
+                  <TicketCard
+                    key={ticket.id}
+                    ticket={ticket}
+                    selected={selected.has(ticket.id)}
+                    onToggleSelect={toggleSelected}
+                  />
                ))}
              </AnimatePresence>
              {byStatus[col.status].length === 0 && (
@@ -201,11 +241,64 @@ export function TicketBoard({
      </div>

      <NewTicketModal open={modalOpen} onClose={() => setModalOpen(false)} />
+
+      <AnimatePresence>
+        {selected.size > 0 && (
+          <motion.div
+            initial={{ opacity: 0, y: 16 }}
+            animate={{ opacity: 1, y: 0 }}
+            exit={{ opacity: 0, y: 16 }}
+            transition={{ duration: 0.15 }}
+            className="fixed inset-x-0 bottom-4 z-30 flex justify-center px-4"
+          >
+            <div className="card flex flex-wrap items-center gap-2 px-3 py-2 shadow-lg">
+              <span className="mr-1 text-sm font-medium">Выбрано: {selected.size}</span>
+              <button
+                className="rounded-md bg-success-soft px-2.5 py-1.5 text-xs font-medium text-success-soft-text transition-opacity hover:opacity-80 disabled:opacity-50"
+                disabled={bulkUpdating}
+                onClick={() => applyBulkStatus("open")}
+              >
+                Открыть
+              </button>
+              <button
+                className="rounded-md bg-warning-soft px-2.5 py-1.5 text-xs font-medium text-warning-soft-text transition-opacity hover:opacity-80 disabled:opacity-50"
+                disabled={bulkUpdating}
+                onClick={() => applyBulkStatus("pending")}
+              >
+                В ожидание
+              </button>
+              <button
+                className="rounded-md bg-danger-soft px-2.5 py-1.5 text-xs font-medium text-danger-soft-text transition-opacity hover:opacity-80 disabled:opacity-50"
+                disabled={bulkUpdating}
+                onClick={() => applyBulkStatus("closed")}
+              >
+                Закрыть
+              </button>
+              <button
+                className="rounded-md px-2.5 py-1.5 text-xs font-medium text-text-faint hover:text-text disabled:opacity-50"
+                disabled={bulkUpdating}
+                onClick={clearSelection}
+              >
+                Снять выделение
+              </button>
+              {bulkError && <span className="w-full text-xs text-danger-soft-text">{bulkError}</span>}
+            </div>
+          </motion.div>
+        )}
+      </AnimatePresence>
    </div>
  );
 }

-function TicketCard({ ticket }: { ticket: TicketDTO }) {
+function TicketCard({
+  ticket,
+  selected,
+  onToggleSelect,
+}: {
+  ticket: TicketDTO;
+  selected: boolean;
+  onToggleSelect: (id: string) => void;
+}) {
  const Icon = CHANNEL_ICON[ticket.channel];

  return (
@@ -218,9 +311,27 @@ function TicketCard({ ticket }: { ticket: TicketDTO }) {
    >
      <Link
        href={`/tickets/${ticket.id}`}
-        className="card block p-3 shadow-sm transition-shadow hover:shadow-md"
+        className={`card relative block p-3 pr-9 shadow-sm transition-shadow hover:shadow-md ${
+          selected ? "ring-2 ring-accent" : ""
+        }`}
        style={{ borderLeft: `3px solid ${PRIORITY_COLOR[ticket.priority]}` }}
      >
+        <button
+          type="button"
+          onClick={(e) => {
+            e.preventDefault();
+            e.stopPropagation();
+            onToggleSelect(ticket.id);
+          }}
+          aria-label={selected ? "Снять выделение с заявки" : "Выбрать заявку"}
+          className={`absolute right-2 top-2 flex h-5 w-5 items-center justify-center rounded-full border transition-colors ${
+            selected
+              ? "border-accent bg-accent text-white"
+              : "border-border bg-surface text-transparent hover:border-accent"
+          }`}
+        >
+          <Check size={12} />
+        </button>
        <p className="mb-1 line-clamp-2 text-sm font-medium">{ticket.subject}</p>
        {ticket.tags.length > 0 && (
          <div className="mb-2 flex flex-wrap gap-1">
@@ -243,6 +354,17 @@ function TicketCard({ ticket }: { ticket: TicketDTO }) {
            <span className="text-xs text-text-faint">{formatRelativeTime(ticket.lastMessageAt)}</span>
          </span>
        </div>
+
+        <div className="mt-1.5 flex items-center gap-1.5 border-t border-border pt-1.5">
+          {ticket.assigneeName ? (
+            <>
+              <Avatar name={ticket.assigneeName} size={16} />
+              <span className="truncate text-xs text-text-muted">{ticket.assigneeName}</span>
+            </>
+          ) : (
+            <span className="text-xs text-text-faint">Не назначено</span>
+          )}
+        </div>
      </Link>
    </motion.div>
  );
@@ -3,7 +3,7 @@ import Link from "next/link";
 import { Ticket } from "lucide-react";
 import { getCurrentSession } from "@/lib/auth/session";
 import { LogoutButton } from "./logout-button";
-import { NavLinks } from "./nav-links";
+import { NavShell } from "./nav-shell";
 import { ThemeToggle } from "./theme-toggle";
 import { SettingsMenu } from "./settings-menu";
 import { NotificationToggle } from "./notification-toggle";
@@ -21,18 +21,18 @@ export default async function AdminLayout({ children }: { children: React.ReactN

  return (
    <div className="flex min-h-screen flex-col bg-bg">
-      <header className="border-b border-border bg-surface">
-        <div className="mx-auto flex max-w-7xl flex-wrap items-center gap-x-6 gap-y-2 px-4 py-3 sm:px-6">
-          <Link href="/dashboard" className="flex items-center gap-2 font-display text-[15px] font-bold tracking-tight">
+      <header className="border-b border-border bg-surface pt-[env(safe-area-inset-top)]">
+        <div className="mx-auto flex max-w-[1800px] items-center gap-3 px-4 py-2.5 sm:gap-6 sm:px-6 sm:py-3">
+          <Link href="/dashboard" className="flex shrink-0 items-center gap-2 font-display text-[15px] font-bold tracking-tight">
            <div className="flex h-7 w-7 shrink-0 items-center justify-center rounded-md bg-accent text-white">
              <Ticket size={15} strokeWidth={2.5} />
            </div>
-            top-tickets
+            <span className="hidden sm:inline">top-tickets</span>
          </Link>
-          <div className="order-last w-full overflow-x-auto sm:order-none sm:w-auto sm:flex-1 sm:overflow-visible sm:flex sm:justify-center">
-            <NavLinks isAdmin={isAdmin} />
+          <div className="flex flex-1 justify-center overflow-x-auto">
+            <NavShell isAdmin={isAdmin} />
          </div>
-          <div className="ml-auto flex items-center gap-2 sm:ml-0 sm:gap-3">
+          <div className="ml-auto flex shrink-0 items-center gap-2 sm:ml-0 sm:gap-3">
            <NotificationToggle />
            <ThemeToggle />
            {isAdmin && <SettingsMenu isAdmin={isAdmin} />}
@@ -41,7 +41,10 @@ export default async function AdminLayout({ children }: { children: React.ReactN
          </div>
        </div>
      </header>
-      <main className="mx-auto w-full max-w-7xl flex-1 px-4 py-6 sm:px-6">{children}</main>
+      {/* pb: clears the fixed mobile bottom-tab bar (~52px + safe-area) so it never covers the last bit of scrolled content */}
+      <main className="mx-auto w-full max-w-[1800px] flex-1 px-4 py-6 pb-[calc(4.25rem+env(safe-area-inset-bottom))] sm:px-6 lg:pb-6">
+        {children}
+      </main>
      <DesktopNotifications currentUser={currentUser} />
      <TicketToasts currentUser={currentUser} />
    </div>
@@ -0,0 +1,34 @@
+"use client";
+
+import Link from "next/link";
+import { usePathname } from "next/navigation";
+import { links } from "./nav-data";
+
+/** Bottom tab bar for mobile — mirrors top-buh/top-finance's pattern. Only 2 links here, both fit as primary tabs, no overflow "Ещё" needed. */
+export function MobileNav({ isAdmin }: { isAdmin: boolean }) {
+  const pathname = usePathname();
+  const visibleLinks = links.filter((link) => !link.adminOnly || isAdmin);
+
+  return (
+    <nav
+      className="fixed inset-x-0 bottom-0 z-30 flex border-t border-border bg-surface pb-[env(safe-area-inset-bottom)] lg:hidden"
+      aria-label="Основная навигация"
+    >
+      {visibleLinks.map(({ href, label, icon: Icon }) => {
+        const active = pathname.startsWith(href);
+        return (
+          <Link
+            key={href}
+            href={href}
+            className={`flex flex-1 flex-col items-center gap-0.5 py-2 text-[11px] font-medium ${
+              active ? "text-accent" : "text-text-faint"
+            }`}
+          >
+            <Icon size={20} />
+            {label}
+          </Link>
+        );
+      })}
+    </nav>
+  );
+}
@@ -0,0 +1,13 @@
+import { LayoutDashboard, BarChart3 } from "lucide-react";
+
+export interface NavLink {
+  href: string;
+  label: string;
+  icon: typeof LayoutDashboard;
+  adminOnly: boolean;
+}
+
+export const links: NavLink[] = [
+  { href: "/dashboard", label: "Заявки", icon: LayoutDashboard, adminOnly: false },
+  { href: "/stats", label: "Статистика", icon: BarChart3, adminOnly: true },
+];
@@ -2,12 +2,7 @@

 import Link from "next/link";
 import { usePathname } from "next/navigation";
-import { LayoutDashboard, BarChart3 } from "lucide-react";
-
-const links = [
-  { href: "/dashboard", label: "Заявки", icon: LayoutDashboard, adminOnly: false },
-  { href: "/stats", label: "Статистика", icon: BarChart3, adminOnly: true },
-];
+import { links } from "./nav-data";

 export function NavLinks({ isAdmin }: { isAdmin: boolean }) {
  const pathname = usePathname();
@@ -0,0 +1,16 @@
+"use client";
+
+import { NavLinks } from "./nav-links";
+import { MobileNav } from "./mobile-nav";
+
+/** Desktop top nav (>=lg) + mobile bottom tab bar (<lg), same split as top-buh/top-finance/top-reservation. */
+export function NavShell({ isAdmin }: { isAdmin: boolean }) {
+  return (
+    <>
+      <div className="hidden lg:flex">
+        <NavLinks isAdmin={isAdmin} />
+      </div>
+      <MobileNav isAdmin={isAdmin} />
+    </>
+  );
+}
@@ -1,5 +1,7 @@
 import { getCurrentSession } from "@/lib/auth/session";
 import { ChangePasswordForm } from "./change-password-form";
+import { TwoFactorSettings } from "./two-factor-settings";
+import { PushSubscriptionsSettings } from "./push-subscriptions-settings";

 export default async function AccountSettingsPage() {
  const session = await getCurrentSession();
@@ -9,6 +11,14 @@ export default async function AccountSettingsPage() {
      <h1 className="mb-1 font-display text-xl font-bold tracking-tight">Аккаунт</h1>
      <p className="mb-6 text-sm text-text-muted">{session?.user.email}</p>
      <ChangePasswordForm />
+      {session && (
+        <div className="mt-4">
+          <TwoFactorSettings initialEnabled={session.user.totpEnabled} />
+        </div>
+      )}
+      <div className="mt-4">
+        <PushSubscriptionsSettings />
+      </div>
    </div>
  );
 }
@@ -0,0 +1,100 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import { BellOff, Loader2 } from "lucide-react";
+import { formatRelativeTime } from "@/lib/format";
+
+type Subscription = { id: string; userAgent: string | null; createdAt: string };
+
+/** Best-effort "Chrome on Windows"-style label from a stored navigator.userAgent — purely cosmetic, never parsed for anything security-relevant. */
+function describeUserAgent(userAgent: string | null): string {
+  if (!userAgent) return "Неизвестное устройство";
+
+  let browser = "Браузер";
+  if (/Edg\//.test(userAgent)) browser = "Edge";
+  else if (/OPR\//.test(userAgent)) browser = "Opera";
+  else if (/Chrome\//.test(userAgent)) browser = "Chrome";
+  else if (/Firefox\//.test(userAgent)) browser = "Firefox";
+  else if (/Safari\//.test(userAgent)) browser = "Safari";
+
+  let os = "";
+  if (/Windows/.test(userAgent)) os = "Windows";
+  else if (/Android/.test(userAgent)) os = "Android";
+  else if (/iPhone|iPad/.test(userAgent)) os = "iOS";
+  else if (/Macintosh|Mac OS X/.test(userAgent)) os = "macOS";
+  else if (/Linux/.test(userAgent)) os = "Linux";
+
+  return os ? `${browser} на ${os}` : browser;
+}
+
+export function PushSubscriptionsSettings() {
+  const [subscriptions, setSubscriptions] = useState<Subscription[] | null>(null);
+  const [removingId, setRemovingId] = useState<string | null>(null);
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    fetch("/api/push/subscriptions")
+      .then((res) => res.json())
+      .then((data) => setSubscriptions(data.subscriptions ?? []))
+      .catch(() => setError("Не удалось загрузить список устройств"));
+  }, []);
+
+  async function unsubscribe(id: string) {
+    setRemovingId(id);
+    setError(null);
+    try {
+      const res = await fetch(`/api/push/subscriptions/${id}`, { method: "DELETE" });
+      if (!res.ok) throw new Error();
+      setSubscriptions((prev) => (prev ? prev.filter((s) => s.id !== id) : prev));
+    } catch {
+      setError("Не удалось отписать устройство — попробуйте ещё раз");
+    } finally {
+      setRemovingId(null);
+    }
+  }
+
+  return (
+    <div className="card p-4">
+      <p className="mb-1 text-sm font-semibold">Push-уведомления</p>
+      <p className="mb-3 text-sm text-text-muted">
+        Устройства/браузеры, подписанные на уведомления этого аккаунта. Если один и тот же браузер получает
+        уведомление дважды или трижды, скорее всего в нескольких браузерах на этом компьютере отдельно разрешены
+        уведомления для сайта — отпишите лишние здесь.
+      </p>
+
+      {error && <p className="mb-3 rounded-md bg-danger-soft px-3 py-2 text-sm text-danger-soft-text">{error}</p>}
+
+      {subscriptions === null ? (
+        <p className="flex items-center gap-1.5 text-sm text-text-faint">
+          <Loader2 size={14} className="animate-spin" />
+          Загрузка…
+        </p>
+      ) : subscriptions.length === 0 ? (
+        <p className="text-sm text-text-faint">Нет подписанных устройств.</p>
+      ) : (
+        <ul className="flex flex-col gap-2">
+          {subscriptions.map((sub) => (
+            <li
+              key={sub.id}
+              className="flex items-center justify-between gap-2 rounded-md border border-border px-3 py-2"
+            >
+              <div className="min-w-0">
+                <p className="truncate text-sm">{describeUserAgent(sub.userAgent)}</p>
+                <p className="text-xs text-text-faint">Подписан {formatRelativeTime(new Date(sub.createdAt).getTime())}</p>
+              </div>
+              <button
+                type="button"
+                disabled={removingId === sub.id}
+                onClick={() => unsubscribe(sub.id)}
+                className="btn btn-ghost shrink-0 px-2.5 py-1.5 text-xs"
+              >
+                <BellOff size={13} />
+                Отписать
+              </button>
+            </li>
+          ))}
+        </ul>
+      )}
+    </div>
+  );
+}
@@ -0,0 +1,210 @@
+"use client";
+
+import { useState } from "react";
+import { ShieldCheck, ShieldOff, Copy, Check } from "lucide-react";
+
+type Stage = "idle" | "setting-up" | "recovery-codes" | "disabling";
+
+export function TwoFactorSettings({ initialEnabled }: { initialEnabled: boolean }) {
+  const [enabled, setEnabled] = useState(initialEnabled);
+  const [stage, setStage] = useState<Stage>("idle");
+  const [qrDataUrl, setQrDataUrl] = useState<string | null>(null);
+  const [secret, setSecret] = useState<string | null>(null);
+  const [code, setCode] = useState("");
+  const [recoveryCodes, setRecoveryCodes] = useState<string[] | null>(null);
+  const [copied, setCopied] = useState(false);
+  const [disableCode, setDisableCode] = useState("");
+  const [error, setError] = useState<string | null>(null);
+  const [loading, setLoading] = useState(false);
+
+  function reset() {
+    setStage("idle");
+    setQrDataUrl(null);
+    setSecret(null);
+    setCode("");
+    setDisableCode("");
+    setError(null);
+  }
+
+  async function startSetup() {
+    setLoading(true);
+    setError(null);
+    const res = await fetch("/api/auth/totp/setup", { method: "POST" });
+    setLoading(false);
+    if (!res.ok) {
+      const data = await res.json().catch(() => null);
+      setError(data?.error ?? "Не удалось начать настройку 2FA");
+      return;
+    }
+    const data = await res.json();
+    setQrDataUrl(data.qrDataUrl);
+    setSecret(data.secret);
+    setStage("setting-up");
+  }
+
+  async function confirmSetup(e: React.FormEvent) {
+    e.preventDefault();
+    setLoading(true);
+    setError(null);
+    const res = await fetch("/api/auth/totp/confirm", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ code }),
+    });
+    setLoading(false);
+    if (!res.ok) {
+      const data = await res.json().catch(() => null);
+      setError(data?.error ?? "Не удалось подтвердить код");
+      return;
+    }
+    const data = await res.json();
+    setRecoveryCodes(data.recoveryCodes);
+    setEnabled(true);
+    setStage("recovery-codes");
+  }
+
+  async function disable2fa(e: React.FormEvent) {
+    e.preventDefault();
+    setLoading(true);
+    setError(null);
+    const res = await fetch("/api/auth/totp/disable", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ code: disableCode }),
+    });
+    setLoading(false);
+    if (!res.ok) {
+      const data = await res.json().catch(() => null);
+      setError(data?.error ?? "Не удалось отключить 2FA");
+      return;
+    }
+    setEnabled(false);
+    reset();
+  }
+
+  function copyRecoveryCodes() {
+    if (!recoveryCodes) return;
+    navigator.clipboard.writeText(recoveryCodes.join("\n"));
+    setCopied(true);
+    setTimeout(() => setCopied(false), 2000);
+  }
+
+  if (stage === "recovery-codes" && recoveryCodes) {
+    return (
+      <div className="card p-4">
+        <p className="mb-1 flex items-center gap-1.5 text-sm font-semibold text-success-soft-text">
+          <ShieldCheck size={15} />
+          2FA включена
+        </p>
+        <p className="mb-3 text-sm text-text-muted">
+          Сохраните эти резервные коды в надёжном месте — каждый работает один раз, если телефон с приложением
+          потеряется. Второй раз их показать не получится.
+        </p>
+        <pre className="mb-3 whitespace-pre-wrap rounded-md border border-border bg-surface p-3 text-sm">
+          {recoveryCodes.join("\n")}
+        </pre>
+        <div className="flex gap-2">
+          <button type="button" onClick={copyRecoveryCodes} className="btn btn-ghost">
+            {copied ? <Check size={14} /> : <Copy size={14} />}
+            {copied ? "Скопировано" : "Скопировать"}
+          </button>
+          <button type="button" onClick={reset} className="btn btn-primary flex-1 justify-center">
+            Готово
+          </button>
+        </div>
+      </div>
+    );
+  }
+
+  if (stage === "setting-up") {
+    return (
+      <form onSubmit={confirmSetup} className="card p-4">
+        <p className="mb-3 text-sm font-semibold">Настройка 2FA</p>
+        <p className="mb-3 text-sm text-text-muted">
+          Отсканируйте QR-код в приложении-аутентификаторе (Google Authenticator, Authy и т.п.) и введите код, чтобы
+          подтвердить.
+        </p>
+        {qrDataUrl && (
+          // eslint-disable-next-line @next/next/no-img-element -- a locally generated data: URI QR code, not worth next/image config
+          <img src={qrDataUrl} alt="QR-код для настройки 2FA" className="mb-3 h-40 w-40" />
+        )}
+        {secret && (
+          <p className="mb-3 break-all rounded-md border border-border bg-surface px-2 py-1.5 font-mono text-xs text-text-muted">
+            {secret}
+          </p>
+        )}
+        <label className="mb-3 block text-sm">
+          <span className="mb-1 block font-medium text-text-muted">Код из приложения</span>
+          <input
+            required
+            inputMode="numeric"
+            pattern="\d{6}"
+            maxLength={6}
+            value={code}
+            onChange={(e) => setCode(e.target.value)}
+            className="w-full rounded-md border border-border bg-surface px-3 py-2 text-sm outline-none focus:border-accent"
+            autoFocus
+          />
+        </label>
+        {error && <p className="mb-3 rounded-md bg-danger-soft px-3 py-2 text-sm text-danger-soft-text">{error}</p>}
+        <div className="flex gap-2">
+          <button type="button" onClick={reset} className="btn btn-ghost">
+            Отмена
+          </button>
+          <button type="submit" disabled={loading} className="btn btn-primary flex-1 justify-center">
+            Подтвердить
+          </button>
+        </div>
+      </form>
+    );
+  }
+
+  if (stage === "disabling") {
+    return (
+      <form onSubmit={disable2fa} className="card p-4">
+        <p className="mb-3 text-sm font-semibold">Отключить 2FA</p>
+        <label className="mb-3 block text-sm">
+          <span className="mb-1 block font-medium text-text-muted">Код из приложения или резервный код</span>
+          <input
+            required
+            value={disableCode}
+            onChange={(e) => setDisableCode(e.target.value)}
+            className="w-full rounded-md border border-border bg-surface px-3 py-2 text-sm outline-none focus:border-accent"
+            autoFocus
+          />
+        </label>
+        {error && <p className="mb-3 rounded-md bg-danger-soft px-3 py-2 text-sm text-danger-soft-text">{error}</p>}
+        <div className="flex gap-2">
+          <button type="button" onClick={reset} className="btn btn-ghost">
+            Отмена
+          </button>
+          <button type="submit" disabled={loading} className="btn bg-danger text-white hover:brightness-95 flex-1 justify-center">
+            Отключить
+          </button>
+        </div>
+      </form>
+    );
+  }
+
+  return (
+    <div className="card p-4">
+      <p className="mb-1 flex items-center gap-1.5 text-sm font-semibold">
+        {enabled ? <ShieldCheck size={15} className="text-success-soft-text" /> : <ShieldOff size={15} className="text-text-faint" />}
+        Двухфакторная аутентификация
+      </p>
+      <p className="mb-3 text-sm text-text-muted">
+        {enabled ? "Включена — при входе потребуется код из приложения." : "Не включена."}
+      </p>
+      {error && <p className="mb-3 rounded-md bg-danger-soft px-3 py-2 text-sm text-danger-soft-text">{error}</p>}
+      {enabled ? (
+        <button type="button" onClick={() => setStage("disabling")} className="btn btn-ghost w-full justify-center">
+          Отключить
+        </button>
+      ) : (
+        <button type="button" onClick={startSetup} disabled={loading} className="btn btn-primary w-full justify-center">
+          Включить
+        </button>
+      )}
+    </div>
+  );
+}
@@ -9,6 +9,7 @@ interface Status {
  user: string | null;
  imapHost: string | null;
  allowInsecureTls: boolean;
+  fromAddress: string | null;
  verifiedAt: number | null;
 }

@@ -19,6 +20,7 @@ export function MailboxSettingsForm({ initialStatus }: { initialStatus: Status }
  const [smtpPort, setSmtpPort] = useState("587");
  const [user, setUser] = useState(initialStatus.user ?? "");
  const [password, setPassword] = useState("");
+  const [fromAddress, setFromAddress] = useState(initialStatus.fromAddress ?? "");
  const [allowInsecureTls, setAllowInsecureTls] = useState(true);
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);
@@ -38,6 +40,7 @@ export function MailboxSettingsForm({ initialStatus }: { initialStatus: Status }
        user,
        password,
        allowInsecureTls,
+        fromAddress,
      }),
    });

@@ -48,7 +51,15 @@ export function MailboxSettingsForm({ initialStatus }: { initialStatus: Status }
      return;
    }

-    setStatus({ configured: true, enabled: true, user, imapHost: host, allowInsecureTls, verifiedAt: Date.now() });
+    setStatus({
+      configured: true,
+      enabled: true,
+      user,
+      imapHost: host,
+      allowInsecureTls,
+      fromAddress: fromAddress || null,
+      verifiedAt: Date.now(),
+    });
    setPassword("");
  }

@@ -131,6 +142,21 @@ export function MailboxSettingsForm({ initialStatus }: { initialStatus: Status }
          />
        </label>

+        <label className="mb-3 block text-sm">
+          <span className="mb-1 block font-medium text-text-muted">Адрес отправителя (если отличается от логина)</span>
+          <input
+            type="email"
+            value={fromAddress}
+            onChange={(e) => setFromAddress(e.target.value)}
+            placeholder="support@zaglushka.ru"
+            className="w-full rounded-md border border-border bg-surface px-3 py-2 text-sm outline-none focus:border-accent"
+          />
+          <span className="mt-1 block text-xs text-text-faint">
+            Нужно, если логин — служебная учётка (напр. AD UPN), а письма клиенту должны уходить от другого адреса.
+            Оставьте пустым, если логин и есть нужный адрес.
+          </span>
+        </label>
+
        <label className="mb-4 flex items-center gap-2 text-sm text-text-muted">
          <input
            type="checkbox"
@@ -1,7 +1,7 @@
 "use client";

 import { useState } from "react";
-import { Plus, Trash2 } from "lucide-react";
+import { Plus, Star, Trash2 } from "lucide-react";
 import { TAG_COLOR_CLASSES, TAG_COLORS, TAG_COLOR_LABELS } from "@/lib/tags/colors";
 import type { TagDTO, TagColor } from "@/lib/tickets/types";

@@ -40,6 +40,18 @@ export function TagsManager({ initialTags }: { initialTags: TagDTO[] }) {
    setTags((prev) => prev.filter((t) => t.id !== id));
  }

+  async function handleToggleDefault(tag: TagDTO) {
+    const nextIsDefault = !tag.isDefault;
+    const res = await fetch(`/api/tags/${tag.id}`, {
+      method: "PATCH",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ isDefault: nextIsDefault }),
+    });
+    if (!res.ok) return;
+    const { tags: updated } = await res.json();
+    setTags(updated);
+  }
+
  return (
    <div className="flex flex-col gap-4">
      <form onSubmit={handleCreate} className="card flex flex-col gap-3 p-4 sm:flex-row sm:items-end">
@@ -77,12 +89,23 @@ export function TagsManager({ initialTags }: { initialTags: TagDTO[] }) {

      {tags.length === 0 && <p className="text-sm text-text-muted">Тегов пока нет.</p>}

+      <p className="text-xs text-text-faint">
+        Тег по умолчанию отмечается звёздочкой — он автоматически ставится на каждую новую заявку.
+      </p>
+
      <div className="flex flex-wrap gap-2">
        {tags.map((tag) => (
          <span
            key={tag.id}
            className={`flex items-center gap-1.5 rounded-full px-3 py-1 text-sm font-medium ${TAG_COLOR_CLASSES[tag.color]}`}
          >
+            <button
+              onClick={() => handleToggleDefault(tag)}
+              className="opacity-60 hover:opacity-100"
+              title={tag.isDefault ? "Убрать как тег по умолчанию" : "Сделать тегом по умолчанию"}
+            >
+              <Star size={12} fill={tag.isDefault ? "currentColor" : "none"} />
+            </button>
            {tag.name}
            <button onClick={() => handleDelete(tag.id)} className="opacity-60 hover:opacity-100">
              <Trash2 size={12} />
@@ -103,7 +103,7 @@ export function TicketToasts({ currentUser }: { currentUser: { id: string; role:
  }

  return (
-    <div className="pointer-events-none fixed bottom-4 right-4 z-50 flex w-full max-w-sm flex-col gap-2">
+    <div className="pointer-events-none fixed bottom-[calc(4.25rem+env(safe-area-inset-bottom)+0.5rem)] right-4 z-50 flex w-full max-w-sm flex-col gap-2 lg:bottom-4">
      <AnimatePresence initial={false}>
        {toasts.map((toast) => (
          <motion.div
@@ -3,11 +3,12 @@
 import { useEffect, useRef, useState } from "react";
 import Link from "next/link";
 import { AnimatePresence, motion } from "framer-motion";
-import { ArrowLeft, Send, StickyNote, Paperclip, X, MessageSquareText } from "lucide-react";
+import { ArrowLeft, Send, StickyNote, Paperclip, X, MessageSquareText, TriangleAlert } from "lucide-react";
 import { useTicketEvents } from "@/lib/events/use-ticket-events";
 import { formatRelativeTime } from "@/lib/format";
 import { Avatar } from "@/components/avatar";
 import { AttachmentChip } from "@/components/attachment-chip";
+import { MessageBodyHtml } from "@/components/message-body-html";
 import { TagPicker } from "./tag-picker";
 import type { TicketDTO, MessageDTO, TicketStatus } from "@/lib/tickets/types";

@@ -36,6 +37,7 @@ export function TicketThread({
  const [visibility, setVisibility] = useState<"public" | "internal">("public");
  const [pendingFile, setPendingFile] = useState<File | null>(null);
  const [sending, setSending] = useState(false);
+  const [sendError, setSendError] = useState<string | null>(null);
  const [cannedResponses, setCannedResponses] = useState<{ id: string; title: string; body: string }[]>([]);
  const [cannedOpen, setCannedOpen] = useState(false);
  const bottomRef = useRef<HTMLDivElement>(null);
@@ -81,6 +83,7 @@ export function TicketThread({
  async function sendReply() {
    if (!draft.trim() && !pendingFile) return;
    setSending(true);
+    setSendError(null);

    let res: Response;
    if (pendingFile) {
@@ -102,6 +105,9 @@ export function TicketThread({
      setDraft("");
      setPendingFile(null);
      if (fileInputRef.current) fileInputRef.current.value = "";
+    } else {
+      const data = await res.json().catch(() => null);
+      setSendError(data?.error ?? "Не удалось отправить сообщение");
    }
  }

@@ -209,6 +215,7 @@ export function TicketThread({
            </button>
          </div>
        )}
+        {sendError && <p className="mb-1.5 text-xs text-danger-soft-text">{sendError}</p>}
        {pendingFile && (
          <div className="mb-1.5 flex items-center gap-2 rounded-md border border-border bg-surface-hover px-2.5 py-1.5 text-xs">
            <Paperclip size={12} />
@@ -234,6 +241,19 @@ export function TicketThread({
                sendReply();
              }
            }}
+            onPaste={(e) => {
+              // Ctrl+V a screenshot straight from the clipboard — no need to
+              // save it to disk first and click "attach file". Only kicks in
+              // when the clipboard actually holds image data; a normal text
+              // paste falls through untouched.
+              const item = Array.from(e.clipboardData.items).find((i) => i.kind === "file" && i.type.startsWith("image/"));
+              if (!item) return;
+              const file = item.getAsFile();
+              if (!file) return;
+              e.preventDefault();
+              const extension = item.type.split("/")[1] ?? "png";
+              setPendingFile(new File([file], `screenshot-${Date.now()}.${extension}`, { type: item.type }));
+            }}
            rows={2}
            placeholder={visibility === "internal" ? "Заметка — клиент её не увидит…" : "Ответить клиенту…"}
            className={`flex-1 resize-none rounded-md border px-3 py-2 text-sm outline-none ${
@@ -314,8 +334,14 @@ function MessageBubble({ message }: { message: MessageDTO }) {
          <StickyNote size={11} />
          Внутренняя заметка
        </p>
+        {message.bodyHtml ? (
+          <MessageBodyHtml html={message.bodyHtml} className="mb-1" />
+        ) : (
          <p className="mb-1 whitespace-pre-wrap text-sm">{message.body}</p>
-        {message.attachments.map((a) => (
+        )}
+        {message.attachments
+          .filter((a) => !a.isInline)
+          .map((a) => (
            <AttachmentChip key={a.id} attachment={a} />
          ))}
        <p className="text-[11px] text-warning-soft-text/80">
@@ -334,13 +360,28 @@ function MessageBubble({ message }: { message: MessageDTO }) {
      className={`mb-3 flex ${isAgent ? "justify-end" : "justify-start"}`}
    >
      <div className={`max-w-[75%] rounded-lg px-3 py-2 text-sm ${isAgent ? "bg-accent text-white" : "bg-surface-hover"}`}>
+        {message.bodyHtml ? (
+          <MessageBodyHtml html={message.bodyHtml} className="mb-1" />
+        ) : (
          <p className="mb-1 whitespace-pre-wrap">{message.body}</p>
-        {message.attachments.map((a) => (
+        )}
+        {message.attachments
+          .filter((a) => !a.isInline)
+          .map((a) => (
            <AttachmentChip key={a.id} attachment={a} />
          ))}
        <p className={`text-[11px] ${isAgent ? "text-white/70" : "text-text-faint"}`}>
          {message.authorName} · {formatRelativeTime(message.createdAt)}
        </p>
+        {message.deliveryFailed && (
+          <p
+            className="mt-1 flex items-center gap-1 text-[11px] font-medium text-danger"
+            title="Сообщение сохранено, но не дошло до клиента — проверьте настройки почты/Telegram"
+          >
+            <TriangleAlert size={11} />
+            Не доставлено клиенту
+          </p>
+        )}
      </div>
    </motion.div>
  );
@@ -3,12 +3,14 @@
 import { useState } from "react";
 import { useRouter } from "next/navigation";
 import { motion } from "framer-motion";
-import { Ticket, LogIn } from "lucide-react";
+import { Ticket, LogIn, ShieldCheck } from "lucide-react";

 export default function LoginPage() {
  const router = useRouter();
  const [email, setEmail] = useState("");
  const [password, setPassword] = useState("");
+  const [totpRequired, setTotpRequired] = useState(false);
+  const [code, setCode] = useState("");
  const [error, setError] = useState<string | null>(null);
  const [loading, setLoading] = useState(false);

@@ -30,6 +32,36 @@ export default function LoginPage() {
      return;
    }

+    const data = await res.json();
+    setLoading(false);
+
+    if (data.totpRequired) {
+      setTotpRequired(true);
+      return;
+    }
+
+    router.push("/dashboard");
+    router.refresh();
+  }
+
+  async function handleVerifyTotp(e: React.FormEvent) {
+    e.preventDefault();
+    setLoading(true);
+    setError(null);
+
+    const res = await fetch("/api/auth/verify-totp", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ code }),
+    });
+
+    if (!res.ok) {
+      const data = await res.json().catch(() => null);
+      setError(data?.error ?? "Не удалось войти");
+      setLoading(false);
+      return;
+    }
+
    router.push("/dashboard");
    router.refresh();
  }
@@ -41,6 +73,51 @@ export default function LoginPage() {
        background: "radial-gradient(ellipse 60% 50% at 50% -10%, var(--accent-soft), var(--bg) 70%)",
      }}
    >
+      {totpRequired ? (
+        <motion.form
+          onSubmit={handleVerifyTotp}
+          initial={{ opacity: 0, y: 12 }}
+          animate={{ opacity: 1, y: 0 }}
+          transition={{ duration: 0.35, ease: "easeOut" }}
+          className="card w-full max-w-sm p-8"
+        >
+          <div className="mb-6 flex items-center gap-2">
+            <div className="flex h-9 w-9 items-center justify-center rounded-md bg-accent text-white">
+              <ShieldCheck size={18} strokeWidth={2.5} />
+            </div>
+            <span className="font-display text-lg font-bold tracking-tight">top-tickets</span>
+          </div>
+
+          <h1 className="mb-1 font-display text-xl font-semibold">Двухфакторная аутентификация</h1>
+          <p className="mb-6 text-sm text-text-muted">Введите код из приложения-аутентификатора или резервный код.</p>
+
+          <label className="mb-5 block text-sm">
+            <span className="mb-1 block font-medium text-text-muted">Код</span>
+            <input
+              required
+              value={code}
+              onChange={(e) => setCode(e.target.value)}
+              className="w-full rounded-md border border-border bg-surface px-3 py-2 outline-none focus:border-accent"
+              autoFocus
+            />
+          </label>
+
+          {error && (
+            <motion.p
+              initial={{ opacity: 0 }}
+              animate={{ opacity: 1 }}
+              className="mb-4 rounded-md bg-danger-soft px-3 py-2 text-sm text-danger-soft-text"
+            >
+              {error}
+            </motion.p>
+          )}
+
+          <button type="submit" disabled={loading} className="btn btn-primary w-full justify-center">
+            <LogIn size={16} />
+            {loading ? "Проверяем…" : "Войти"}
+          </button>
+        </motion.form>
+      ) : (
        <motion.form
          onSubmit={handleSubmit}
          initial={{ opacity: 0, y: 12 }}
@@ -96,6 +173,7 @@ export default function LoginPage() {
            {loading ? "Входим…" : "Войти"}
          </button>
        </motion.form>
+      )}
    </main>
  );
 }
@@ -7,6 +7,7 @@ import { ArrowLeft, Send, Paperclip, X } from "lucide-react";
 import { useTicketEvents } from "@/lib/events/use-ticket-events";
 import { formatRelativeTime } from "@/lib/format";
 import { AttachmentChip } from "@/components/attachment-chip";
+import { MessageBodyHtml } from "@/components/message-body-html";
 import type { TicketDTO, MessageDTO } from "@/lib/tickets/types";

 export function PortalThread({
@@ -153,8 +154,14 @@ function MessageBubble({
      className={`mb-3 flex ${isMine ? "justify-end" : "justify-start"}`}
    >
      <div className={`max-w-[75%] rounded-lg px-3 py-2 text-sm ${isMine ? "bg-accent text-white" : "bg-surface-hover"}`}>
+        {message.bodyHtml ? (
+          <MessageBodyHtml html={message.bodyHtml} className="mb-1" />
+        ) : (
          <p className="mb-1 whitespace-pre-wrap">{message.body}</p>
-        {message.attachments.map((a) => (
+        )}
+        {message.attachments
+          .filter((a) => !a.isInline)
+          .map((a) => (
            <AttachmentChip key={a.id} attachment={a} token={token} />
          ))}
        <p className={`text-[11px] ${isMine ? "text-white/70" : "text-text-faint"}`}>
@@ -5,6 +5,7 @@ import { z } from "zod";
 import { db } from "@/lib/db/client";
 import { verifyPassword } from "@/lib/auth/password";
 import { createSession, setSessionCookie } from "@/lib/auth/session";
+import { createLoginChallenge, setLoginChallengeCookie } from "@/lib/auth/login-challenge";
 import { authenticateLdapUser } from "@/lib/ldap/client";
 import { findOrCreateUserFromLdap } from "@/lib/auth/users";
 import { getLdapSettings } from "@/lib/auth/ldap-config";
@@ -56,6 +57,15 @@ export async function POST(request: Request) {
      defaultRole: ldapSettings?.defaultRole ?? "agent",
    });

+    // App-level 2FA is independent of whatever the directory itself does —
+    // useful when the directory doesn't enforce MFA, or as defense in depth
+    // when it does. Same challenge flow as the local-password branch below.
+    if (user.totpEnabled) {
+      const challengeToken = await createLoginChallenge(user.id);
+      await setLoginChallengeCookie(challengeToken);
+      return NextResponse.json({ ok: true, totpRequired: true });
+    }
+
    const token = await createSession(user.id);
    await setSessionCookie(token);

@@ -78,6 +88,12 @@ export async function POST(request: Request) {
    return NextResponse.json({ error: "Invalid email or password" }, { status: 401 });
  }

+  if (user.totpEnabled) {
+    const challengeToken = await createLoginChallenge(user.id);
+    await setLoginChallengeCookie(challengeToken);
+    return NextResponse.json({ ok: true, totpRequired: true });
+  }
+
  const token = await createSession(user.id);
  await setSessionCookie(token);

@@ -0,0 +1,41 @@
+export const runtime = "nodejs";
+
+import { NextResponse } from "next/server";
+import { z } from "zod";
+import { eq } from "drizzle-orm";
+import { requireSession } from "@/lib/auth/require";
+import { db } from "@/lib/db/client";
+import { users, totpRecoveryCodes } from "@/lib/db/schema";
+import { decryptTotpSecret, verifyTotpCode, generateRecoveryCodes, hashRecoveryCode } from "@/lib/auth/totp";
+
+const schema = z.object({ code: z.string().min(6).max(6) });
+
+/** Flips totpEnabled on after the user proves they can generate a live code, and issues recovery codes — shown once, never retrievable again. */
+export async function POST(request: Request) {
+  const { session, response } = await requireSession();
+  if (!session) return response;
+
+  const parsed = schema.safeParse(await request.json().catch(() => null));
+  if (!parsed.success) {
+    return NextResponse.json({ error: "Введите 6-значный код" }, { status: 400 });
+  }
+
+  const user = await db.query.users.findFirst({ where: eq(users.id, session.user.id) });
+  if (!user?.totpSecret) {
+    return NextResponse.json({ error: "Сначала начните настройку 2FA" }, { status: 400 });
+  }
+
+  const ok = await verifyTotpCode(decryptTotpSecret(user.totpSecret), parsed.data.code);
+  if (!ok) {
+    return NextResponse.json({ error: "Неверный код" }, { status: 401 });
+  }
+
+  await db.update(users).set({ totpEnabled: true }).where(eq(users.id, user.id));
+
+  // Replace any codes from a previous enable/disable cycle.
+  await db.delete(totpRecoveryCodes).where(eq(totpRecoveryCodes.userId, user.id));
+  const recoveryCodes = generateRecoveryCodes();
+  await db.insert(totpRecoveryCodes).values(recoveryCodes.map((code) => ({ userId: user.id, codeHash: hashRecoveryCode(code) })));
+
+  return NextResponse.json({ ok: true, recoveryCodes });
+}
@@ -0,0 +1,54 @@
+export const runtime = "nodejs";
+
+import { NextResponse } from "next/server";
+import { z } from "zod";
+import { eq, and, isNull } from "drizzle-orm";
+import { requireSession } from "@/lib/auth/require";
+import { db } from "@/lib/db/client";
+import { users, totpRecoveryCodes } from "@/lib/db/schema";
+import { decryptTotpSecret, verifyTotpCode, hashRecoveryCode } from "@/lib/auth/totp";
+
+const schema = z.object({ code: z.string().min(6).max(16) });
+
+/**
+ * Requires a live TOTP code or a recovery code — not the account password —
+ * so this works the same for local and LDAP-authenticated accounts (an
+ * LDAP account has no passwordHash to check here at all). Proving you still
+ * hold the second factor is what stops a stolen live session alone from
+ * turning 2FA off; a recovery code works too since losing your authenticator
+ * app shouldn't permanently lock you out of disabling it.
+ */
+export async function POST(request: Request) {
+  const { session, response } = await requireSession();
+  if (!session) return response;
+
+  const parsed = schema.safeParse(await request.json().catch(() => null));
+  if (!parsed.success) {
+    return NextResponse.json({ error: "Invalid input" }, { status: 400 });
+  }
+
+  const user = await db.query.users.findFirst({ where: eq(users.id, session.user.id) });
+  if (!user?.totpEnabled || !user.totpSecret) {
+    return NextResponse.json({ error: "2FA не включена" }, { status: 400 });
+  }
+
+  const code = parsed.data.code.trim();
+  let verified = /^\d{6}$/.test(code) && (await verifyTotpCode(decryptTotpSecret(user.totpSecret), code));
+
+  if (!verified) {
+    const codeHash = hashRecoveryCode(code);
+    const match = await db.query.totpRecoveryCodes.findFirst({
+      where: and(eq(totpRecoveryCodes.userId, user.id), eq(totpRecoveryCodes.codeHash, codeHash), isNull(totpRecoveryCodes.usedAt)),
+    });
+    verified = Boolean(match);
+  }
+
+  if (!verified) {
+    return NextResponse.json({ error: "Неверный код" }, { status: 401 });
+  }
+
+  await db.update(users).set({ totpSecret: null, totpEnabled: false }).where(eq(users.id, user.id));
+  await db.delete(totpRecoveryCodes).where(eq(totpRecoveryCodes.userId, user.id));
+
+  return NextResponse.json({ ok: true });
+}
@@ -0,0 +1,29 @@
+export const runtime = "nodejs";
+
+import { NextResponse } from "next/server";
+import { eq } from "drizzle-orm";
+import { requireSession } from "@/lib/auth/require";
+import { db } from "@/lib/db/client";
+import { users } from "@/lib/db/schema";
+import { generateTotpSecret, encryptTotpSecret, buildTotpQrCode } from "@/lib/auth/totp";
+
+/**
+ * Starts (or restarts) 2FA setup — generates a fresh secret and stores it
+ * encrypted, but leaves totpEnabled false until /confirm proves the user
+ * actually scanned it (see users.totpEnabled comment in schema.ts). Safe to
+ * call again if the user abandons setup partway — it just overwrites the
+ * unconfirmed secret with a new one.
+ */
+export async function POST() {
+  const { session, response } = await requireSession();
+  if (!session) return response;
+
+  const user = await db.query.users.findFirst({ where: eq(users.id, session.user.id) });
+  if (!user) return NextResponse.json({ error: "User not found" }, { status: 404 });
+
+  const secret = generateTotpSecret();
+  await db.update(users).set({ totpSecret: encryptTotpSecret(secret), totpEnabled: false }).where(eq(users.id, user.id));
+
+  const qrDataUrl = await buildTotpQrCode(secret, user.email);
+  return NextResponse.json({ secret, qrDataUrl });
+}
@@ -0,0 +1,61 @@
+export const runtime = "nodejs";
+
+import { NextResponse } from "next/server";
+import { z } from "zod";
+import { eq, and, isNull } from "drizzle-orm";
+import { db } from "@/lib/db/client";
+import { users, totpRecoveryCodes } from "@/lib/db/schema";
+import { createSession, setSessionCookie } from "@/lib/auth/session";
+import { consumeLoginChallengeAttempt, deleteLoginChallenge, clearLoginChallengeCookie } from "@/lib/auth/login-challenge";
+import { decryptTotpSecret, verifyTotpCode, hashRecoveryCode } from "@/lib/auth/totp";
+
+const schema = z.object({ code: z.string().min(6).max(16) });
+
+// Second step of login for a 2FA account — reads the pending-login cookie
+// set by /api/auth/login, so the client never has to carry the challenge
+// token itself. Accepts either a live 6-digit TOTP code or a recovery code.
+export async function POST(request: Request) {
+  const parsed = schema.safeParse(await request.json().catch(() => null));
+  if (!parsed.success) {
+    return NextResponse.json({ error: "Invalid input" }, { status: 400 });
+  }
+
+  // Burns one attempt regardless of whether the code below turns out to be
+  // right — the whole point is capping brute-force *tries*, not just wrong ones.
+  const challenge = await consumeLoginChallengeAttempt();
+  if (!challenge) {
+    return NextResponse.json({ error: "Сессия входа истекла — войдите заново" }, { status: 401 });
+  }
+
+  const user = await db.query.users.findFirst({ where: eq(users.id, challenge.userId) });
+  if (!user || !user.totpEnabled || !user.totpSecret) {
+    await deleteLoginChallenge(challenge.tokenHash);
+    return NextResponse.json({ error: "2FA не настроена для этого аккаунта" }, { status: 400 });
+  }
+
+  const code = parsed.data.code.trim();
+  let verified = /^\d{6}$/.test(code) && (await verifyTotpCode(decryptTotpSecret(user.totpSecret), code));
+
+  if (!verified) {
+    const codeHash = hashRecoveryCode(code);
+    const match = await db.query.totpRecoveryCodes.findFirst({
+      where: and(eq(totpRecoveryCodes.userId, user.id), eq(totpRecoveryCodes.codeHash, codeHash), isNull(totpRecoveryCodes.usedAt)),
+    });
+    if (match) {
+      await db.update(totpRecoveryCodes).set({ usedAt: new Date() }).where(eq(totpRecoveryCodes.id, match.id));
+      verified = true;
+    }
+  }
+
+  if (!verified) {
+    return NextResponse.json({ error: "Неверный код" }, { status: 401 });
+  }
+
+  await deleteLoginChallenge(challenge.tokenHash);
+  await clearLoginChallengeCookie();
+
+  const token = await createSession(user.id);
+  await setSessionCookie(token);
+
+  return NextResponse.json({ ok: true, user: { id: user.id, name: user.name, role: user.role } });
+}
@@ -21,6 +21,7 @@ const configureSchema = z.object({
  user: z.string().email(),
  password: z.string().min(1),
  allowInsecureTls: z.boolean(),
+  fromAddress: z.string().email().optional().or(z.literal("")),
 });

 export async function POST(request: Request) {
@@ -41,6 +42,7 @@ export async function POST(request: Request) {
    user: parsed.data.user,
    password: parsed.data.password,
    allowInsecureTls: parsed.data.allowInsecureTls,
+    fromAddress: parsed.data.fromAddress || undefined,
  };

  try {
@@ -11,6 +11,7 @@ const subscribeSchema = z.object({
    p256dh: z.string().min(1),
    auth: z.string().min(1),
  }),
+  userAgent: z.string().max(500).optional(),
 });

 export async function POST(request: Request) {
@@ -23,7 +24,7 @@ export async function POST(request: Request) {
    return NextResponse.json({ error: "Invalid input" }, { status: 400 });
  }

-  await savePushSubscription(session.user.id, parsed.data);
+  await savePushSubscription(session.user.id, parsed.data, parsed.data.userAgent);
  return NextResponse.json({ ok: true }, { status: 201 });
 }

@@ -0,0 +1,15 @@
+export const runtime = "nodejs";
+
+import { NextResponse } from "next/server";
+import { requireSession } from "@/lib/auth/require";
+import { deleteOwnPushSubscription } from "@/lib/push/service";
+
+/** Unsubscribes one of the current user's own devices/browsers — scoped by userId, so a user can never remove someone else's. */
+export async function DELETE(_request: Request, { params }: { params: Promise<{ id: string }> }) {
+  const { session, response } = await requireSession();
+  if (!session) return response;
+
+  const { id } = await params;
+  await deleteOwnPushSubscription(session.user.id, id);
+  return NextResponse.json({ ok: true });
+}
@@ -0,0 +1,14 @@
+export const runtime = "nodejs";
+
+import { NextResponse } from "next/server";
+import { requireSession } from "@/lib/auth/require";
+import { listPushSubscriptionsForUser } from "@/lib/push/service";
+
+/** The current user's own subscribed devices/browsers, for the notification settings list. */
+export async function GET() {
+  const { session, response } = await requireSession();
+  if (!session) return response;
+
+  const subscriptions = await listPushSubscriptionsForUser(session.user.id);
+  return NextResponse.json({ subscriptions });
+}
@@ -1,8 +1,25 @@
 export const runtime = "nodejs";

 import { NextResponse } from "next/server";
+import { z } from "zod";
 import { requireSession } from "@/lib/auth/require";
-import { deleteTag } from "@/lib/tickets/service";
+import { deleteTag, setDefaultTag } from "@/lib/tickets/service";
+
+const patchSchema = z.object({ isDefault: z.boolean() });
+
+export async function PATCH(request: Request, { params }: { params: Promise<{ id: string }> }) {
+  const { session, response } = await requireSession();
+  if (!session) return response;
+
+  const { id } = await params;
+  const parsed = patchSchema.safeParse(await request.json().catch(() => null));
+  if (!parsed.success) {
+    return NextResponse.json({ error: "Invalid input" }, { status: 400 });
+  }
+
+  const tags = await setDefaultTag(parsed.data.isDefault ? id : null);
+  return NextResponse.json({ tags });
+}

 export async function DELETE(_request: Request, { params }: { params: Promise<{ id: string }> }) {
  const { session, response } = await requireSession();
@@ -60,7 +60,8 @@ export async function POST(request: Request, { params }: { params: Promise<{ id:
      },
    });
    return NextResponse.json(result, { status: 201 });
-  } catch {
-    return NextResponse.json({ error: "Ticket not found" }, { status: 404 });
+  } catch (err) {
+    const message = err instanceof Error ? err.message : "Не удалось отправить вложение";
+    return NextResponse.json({ error: message }, { status: 400 });
  }
 }
@@ -44,7 +44,8 @@ export async function POST(request: Request, { params }: { params: Promise<{ id:
      visibility,
    });
    return NextResponse.json(result, { status: 201 });
-  } catch {
-    return NextResponse.json({ error: "Ticket not found" }, { status: 404 });
+  } catch (err) {
+    const message = err instanceof Error ? err.message : "Не удалось отправить сообщение";
+    return NextResponse.json({ error: message }, { status: 400 });
  }
 }
@@ -0,0 +1,29 @@
+export const runtime = "nodejs";
+
+import { NextResponse } from "next/server";
+import { z } from "zod";
+import { requireSession } from "@/lib/auth/require";
+import { bulkSetTicketStatus } from "@/lib/tickets/service";
+
+const bulkSchema = z.object({
+  ticketIds: z.array(z.string()).min(1).max(200),
+  status: z.enum(["new", "open", "pending", "closed"]),
+});
+
+export async function PATCH(request: Request) {
+  const { session, response } = await requireSession();
+  if (!session) return response;
+
+  const body = await request.json().catch(() => null);
+  const parsed = bulkSchema.safeParse(body);
+  if (!parsed.success) {
+    return NextResponse.json({ error: "Invalid input" }, { status: 400 });
+  }
+
+  const updatedIds = await bulkSetTicketStatus(parsed.data.ticketIds, parsed.data.status, {
+    id: session.user.id,
+    role: session.user.role,
+  });
+
+  return NextResponse.json({ updatedIds });
+}
@@ -4,6 +4,7 @@ import { NextResponse } from "next/server";
 import { z } from "zod";
 import { requireSession } from "@/lib/auth/require";
 import { listTickets, createManualTicket } from "@/lib/tickets/service";
+import { saveAttachment, AttachmentTooLargeError, MAX_ATTACHMENT_BYTES } from "@/lib/attachments/storage";

 export async function GET(request: Request) {
  const { session, response } = await requireSession();
@@ -18,19 +19,56 @@ const createSchema = z.object({
  subject: z.string().min(1).max(200),
  body: z.string().min(1).max(10_000),
  customerName: z.string().min(1).max(200),
-  customerEmail: z.string().email().optional(),
+  customerEmail: z.string().email().optional().or(z.literal("")),
 });

+// multipart/form-data rather than JSON — the modal supports an optional
+// attachment (incl. Ctrl+V screenshot paste), same as replying on an
+// existing ticket.
 export async function POST(request: Request) {
  const { session, response } = await requireSession();
  if (!session) return response;

-  const body = await request.json().catch(() => null);
-  const parsed = createSchema.safeParse(body);
+  const formData = await request.formData().catch(() => null);
+  if (!formData) return NextResponse.json({ error: "Invalid input" }, { status: 400 });
+
+  const parsed = createSchema.safeParse({
+    subject: formData.get("subject"),
+    body: formData.get("body"),
+    customerName: formData.get("customerName"),
+    customerEmail: formData.get("customerEmail") ?? undefined,
+  });
  if (!parsed.success) {
    return NextResponse.json({ error: "Invalid input" }, { status: 400 });
  }

-  const result = await createManualTicket(parsed.data);
+  const file = formData.get("file");
+  let attachment: { filename: string; mimeType: string; sizeBytes: number; storageKey: string } | undefined;
+  if (file instanceof File) {
+    if (file.size > MAX_ATTACHMENT_BYTES) {
+      return NextResponse.json({ error: "File too large" }, { status: 413 });
+    }
+    const buffer = Buffer.from(await file.arrayBuffer());
+    try {
+      const saved = await saveAttachment(buffer);
+      attachment = {
+        filename: file.name || "file",
+        mimeType: file.type || "application/octet-stream",
+        sizeBytes: saved.sizeBytes,
+        storageKey: saved.storageKey,
+      };
+    } catch (err) {
+      if (err instanceof AttachmentTooLargeError) {
+        return NextResponse.json({ error: "File too large" }, { status: 413 });
+      }
+      throw err;
+    }
+  }
+
+  const result = await createManualTicket({
+    ...parsed.data,
+    customerEmail: parsed.data.customerEmail || undefined,
+    attachment,
+  });
  return NextResponse.json(result, { status: 201 });
 }
@@ -203,6 +203,26 @@
  color-scheme: dark;
 }

+/* Inbound email HTML intentionally keeps its own inline colors (see the
+   sanitizeEmailHtml comment in lib/mail/sanitize-html.ts — full fidelity,
+   "exactly as the person sent it") — but a sender's hardcoded dark text,
+   the common case, becomes unreadable once the surrounding chrome goes
+   dark. Force every descendant in a message bubble back to the theme's
+   own readable text color in dark mode only; light mode is untouched and
+   keeps full fidelity as designed. */
+:root[data-theme="dark"] .message-html,
+:root[data-theme="dark"] .message-html * {
+  color: var(--text) !important;
+  background-color: transparent !important;
+}
+@media (prefers-color-scheme: dark) {
+  :root:not([data-theme="light"]) .message-html,
+  :root:not([data-theme="light"]) .message-html * {
+    color: var(--text) !important;
+    background-color: transparent !important;
+  }
+}
+
 /* Theme-toggle icon: both render always, CSS picks which shows — same
   data-theme cascade the palette above uses, so it never needs JS state. */
 .theme-toggle-btn .theme-icon-sun {
@@ -233,6 +253,7 @@
 html,
 body {
  height: 100%;
+  overflow-x: hidden;
 }

 body {
@@ -1,4 +1,4 @@
-import type { Metadata } from "next";
+import type { Metadata, Viewport } from "next";
 import { Onest, Unbounded, JetBrains_Mono } from "next/font/google";
 import "./globals.css";

@@ -21,6 +21,23 @@ const mono = JetBrains_Mono({
 export const metadata: Metadata = {
  title: "top-tickets",
  description: "Helpdesk for support@top-sysops.ru, Telegram, and the web.",
+  manifest: "/manifest.webmanifest",
+  appleWebApp: {
+    // iOS ignores the web manifest's `display: standalone` — this pair of
+    // meta tags is the separate (older, Apple-specific) mechanism it
+    // actually reads for "hide Safari's chrome when launched from the
+    // home screen icon".
+    capable: true,
+    statusBarStyle: "black-translucent",
+    title: "top-tickets",
+  },
+};
+
+export const viewport: Viewport = {
+  width: "device-width",
+  initialScale: 1,
+  viewportFit: "cover",
+  themeColor: "#6d28d9",
 };

 // Reads the persisted theme before hydration so there's no flash of the
@@ -0,0 +1,12 @@
+// message.bodyHtml is already sanitized server-side (see
+// lib/mail/sanitize-html.ts), including wrapping bare images in a link to
+// their own full-size src — this only adds layout containment so an
+// email's inline styles/tables can't blow out the message bubble's width.
+export function MessageBodyHtml({ html, className = "" }: { html: string; className?: string }) {
+  return (
+    <div
+      className={`message-html max-w-full overflow-x-auto text-sm break-words [&_img]:max-w-full [&_img]:cursor-zoom-in [&_table]:max-w-full [&_td]:break-words [&_th]:break-words ${className}`}
+      dangerouslySetInnerHTML={{ __html: html }}
+    />
+  );
+}
@@ -0,0 +1,70 @@
+import crypto from "node:crypto";
+import { cookies } from "next/headers";
+import { eq } from "drizzle-orm";
+import { db } from "@/lib/db/client";
+import { loginChallenges } from "@/lib/db/schema";
+
+// The "you passed the password check, now prove the TOTP code" state for a
+// 2FA account — separate from the real `sessions` table (see schema.ts) so
+// nothing can mistake a pending challenge for an authenticated session.
+const CHALLENGE_COOKIE = "pending_login";
+const CHALLENGE_TTL_MS = 5 * 60 * 1000;
+const MAX_ATTEMPTS = 6;
+
+function hashToken(token: string): string {
+  return crypto.createHash("sha256").update(token).digest("hex");
+}
+
+export async function createLoginChallenge(userId: string): Promise<string> {
+  const token = crypto.randomBytes(32).toString("base64url");
+  const tokenHash = hashToken(token);
+  const expiresAt = new Date(Date.now() + CHALLENGE_TTL_MS);
+  await db.insert(loginChallenges).values({ tokenHash, userId, expiresAt });
+  return token;
+}
+
+export async function setLoginChallengeCookie(token: string): Promise<void> {
+  const cookieStore = await cookies();
+  cookieStore.set(CHALLENGE_COOKIE, token, {
+    httpOnly: true,
+    secure: process.env.NODE_ENV === "production" && process.env.COOKIE_ALLOW_INSECURE !== "true",
+    sameSite: "lax",
+    path: "/",
+    maxAge: CHALLENGE_TTL_MS / 1000,
+  });
+}
+
+export async function clearLoginChallengeCookie(): Promise<void> {
+  const cookieStore = await cookies();
+  cookieStore.delete(CHALLENGE_COOKIE);
+}
+
+/**
+ * Validates the pending-login cookie and burns one attempt against it —
+ * called once per verify-totp POST, before the code itself is even checked,
+ * so a guessing script can't rack up unlimited tries by never calling this.
+ * Returns null (nothing to resume) if the cookie is missing, the challenge
+ * doesn't exist, it's expired, or attempts are exhausted — the last two
+ * also delete the row so it can't be retried after the fact.
+ */
+export async function consumeLoginChallengeAttempt(): Promise<{ userId: string; tokenHash: string } | null> {
+  const cookieStore = await cookies();
+  const token = cookieStore.get(CHALLENGE_COOKIE)?.value;
+  if (!token) return null;
+  const tokenHash = hashToken(token);
+
+  const challenge = await db.query.loginChallenges.findFirst({ where: eq(loginChallenges.tokenHash, tokenHash) });
+  if (!challenge) return null;
+
+  if (challenge.expiresAt.getTime() < Date.now() || challenge.attempts >= MAX_ATTEMPTS) {
+    await db.delete(loginChallenges).where(eq(loginChallenges.tokenHash, tokenHash));
+    return null;
+  }
+
+  await db.update(loginChallenges).set({ attempts: challenge.attempts + 1 }).where(eq(loginChallenges.tokenHash, tokenHash));
+  return { userId: challenge.userId, tokenHash };
+}
+
+export async function deleteLoginChallenge(tokenHash: string): Promise<void> {
+  await db.delete(loginChallenges).where(eq(loginChallenges.tokenHash, tokenHash));
+}
@@ -0,0 +1,41 @@
+import { describe, expect, it, beforeAll } from "vitest";
+import crypto from "node:crypto";
+
+beforeAll(() => {
+  // encryptTotpSecret/decryptTotpSecret delegate to lib/crypto/credentials.ts,
+  // which reads this lazily (only when actually encrypting/decrypting) — a
+  // throwaway key here keeps the test independent of .env.
+  process.env.CREDENTIALS_ENCRYPTION_KEY = crypto.randomBytes(32).toString("base64");
+});
+
+describe("totp", () => {
+  it("generates a code that verifies against its own secret", async () => {
+    const { generateTotpSecret, verifyTotpCode } = await import("./totp");
+    const { generate } = await import("otplib");
+
+    const secret = generateTotpSecret();
+    const code = await generate({ secret });
+    expect(await verifyTotpCode(secret, code)).toBe(true);
+    expect(await verifyTotpCode(secret, "000000")).toBe(false);
+  });
+
+  it("round-trips a secret through encryption", async () => {
+    const { generateTotpSecret, encryptTotpSecret, decryptTotpSecret } = await import("./totp");
+    const secret = generateTotpSecret();
+    const encrypted = encryptTotpSecret(secret);
+    expect(encrypted).not.toContain(secret);
+    expect(decryptTotpSecret(encrypted)).toBe(secret);
+  });
+
+  it("generates unique, human-typeable recovery codes and hashes deterministically", async () => {
+    const { generateRecoveryCodes, hashRecoveryCode } = await import("./totp");
+    const codes = generateRecoveryCodes(8);
+    expect(codes).toHaveLength(8);
+    expect(new Set(codes).size).toBe(8);
+    for (const code of codes) expect(code).toMatch(/^[0-9a-f]{5}-[0-9a-f]{5}$/);
+
+    expect(hashRecoveryCode(codes[0])).toBe(hashRecoveryCode(codes[0]));
+    expect(hashRecoveryCode(codes[0])).toBe(hashRecoveryCode(codes[0].toUpperCase()));
+    expect(hashRecoveryCode(codes[0])).not.toBe(hashRecoveryCode(codes[1]));
+  });
+});
@@ -0,0 +1,43 @@
+import crypto from "node:crypto";
+import { generateSecret, verify, generateURI } from "otplib";
+import QRCode from "qrcode";
+import { encryptCredential, decryptCredential } from "@/lib/crypto/credentials";
+
+const ISSUER = "top-tickets";
+const RECOVERY_CODE_COUNT = 8;
+
+export function generateTotpSecret(): string {
+  return generateSecret();
+}
+
+export function encryptTotpSecret(secret: string): string {
+  return encryptCredential(secret);
+}
+
+export function decryptTotpSecret(encrypted: string): string {
+  return decryptCredential(encrypted);
+}
+
+export async function buildTotpQrCode(secret: string, email: string): Promise<string> {
+  const uri = generateURI({ issuer: ISSUER, label: email, secret });
+  return QRCode.toDataURL(uri);
+}
+
+export async function verifyTotpCode(secret: string, code: string): Promise<boolean> {
+  const result = await verify({ secret, token: code.trim() });
+  return result.valid;
+}
+
+/** Human-typeable: groups of 5 lowercase hex chars, e.g. "a1b2c-d3e4f". */
+function formatRecoveryCode(): string {
+  const raw = crypto.randomBytes(5).toString("hex");
+  return `${raw.slice(0, 5)}-${raw.slice(5, 10)}`;
+}
+
+export function generateRecoveryCodes(count = RECOVERY_CODE_COUNT): string[] {
+  return Array.from({ length: count }, formatRecoveryCode);
+}
+
+export function hashRecoveryCode(code: string): string {
+  return crypto.createHash("sha256").update(code.trim().toLowerCase()).digest("hex");
+}
@@ -0,0 +1,2 @@
+ALTER TABLE `attachments` ADD `content_id` text;--> statement-breakpoint
+ALTER TABLE `messages` ADD `body_html` text;
@@ -0,0 +1 @@
+ALTER TABLE `tags` ADD `is_default` integer DEFAULT false NOT NULL;
@@ -0,0 +1,2 @@
+ALTER TABLE `attachments` ADD `is_inline` integer DEFAULT false NOT NULL;--> statement-breakpoint
+UPDATE `attachments` SET `is_inline` = 1 WHERE `content_id` IS NOT NULL;
@@ -0,0 +1,20 @@
+CREATE TABLE `login_challenges` (
+	`token_hash` text PRIMARY KEY NOT NULL,
+	`user_id` text NOT NULL,
+	`attempts` integer DEFAULT 0 NOT NULL,
+	`expires_at` integer NOT NULL,
+	`created_at` integer DEFAULT (unixepoch('subsec') * 1000) NOT NULL,
+	FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON UPDATE no action ON DELETE cascade
+);
+--> statement-breakpoint
+CREATE TABLE `totp_recovery_codes` (
+	`id` text PRIMARY KEY NOT NULL,
+	`user_id` text NOT NULL,
+	`code_hash` text NOT NULL,
+	`used_at` integer,
+	`created_at` integer DEFAULT (unixepoch('subsec') * 1000) NOT NULL,
+	FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON UPDATE no action ON DELETE cascade
+);
+--> statement-breakpoint
+ALTER TABLE `users` ADD `totp_secret` text;--> statement-breakpoint
+ALTER TABLE `users` ADD `totp_enabled` integer DEFAULT false NOT NULL;
@@ -0,0 +1 @@
+ALTER TABLE `push_subscriptions` ADD `user_agent` text;
@@ -0,0 +1 @@
+ALTER TABLE `messages` ADD `delivery_failed` integer DEFAULT false NOT NULL;
@@ -0,0 +1 @@
+ALTER TABLE `mailbox_config` ADD `from_address` text;
@@ -50,6 +50,55 @@
      "when": 1786130418783,
      "tag": "0006_big_daredevil",
      "breakpoints": true
+    },
+    {
+      "idx": 7,
+      "version": "6",
+      "when": 1787124609684,
+      "tag": "0007_neat_archangel",
+      "breakpoints": true
+    },
+    {
+      "idx": 8,
+      "version": "6",
+      "when": 1787126651618,
+      "tag": "0008_quick_ultragirl",
+      "breakpoints": true
+    },
+    {
+      "idx": 9,
+      "version": "6",
+      "when": 1787129904542,
+      "tag": "0009_little_natasha_romanoff",
+      "breakpoints": true
+    },
+    {
+      "idx": 10,
+      "version": "6",
+      "when": 1787213219014,
+      "tag": "0010_curved_jack_murdock",
+      "breakpoints": true
+    },
+    {
+      "idx": 11,
+      "version": "6",
+      "when": 1788763637424,
+      "tag": "0011_cute_boomer",
+      "breakpoints": true
+    },
+    {
+      "idx": 12,
+      "version": "6",
+      "when": 1791361267938,
+      "tag": "0012_flawless_lord_tyger",
+      "breakpoints": true
+    },
+    {
+      "idx": 13,
+      "version": "6",
+      "when": 1791367080545,
+      "tag": "0013_military_ezekiel_stane",
+      "breakpoints": true
    }
  ]
 }
@@ -30,6 +30,13 @@ export const users = sqliteTable("users", {
  authSource: text("auth_source", { enum: ["local", "ldap"] })
    .notNull()
    .default("local"),
+  // Opt-in TOTP 2FA — local accounts only (see api/auth/totp/setup). The
+  // secret is AES-256-GCM encrypted at rest via lib/crypto/credentials.ts,
+  // same as every other stored credential in this app. Set as soon as
+  // "setup" generates a secret, but totpEnabled stays false until the user
+  // proves they scanned it right by confirming one live code.
+  totpSecret: text("totp_secret"),
+  totpEnabled: integer("totp_enabled", { mode: "boolean" }).notNull().default(false),
  createdAt: timestamps.createdAt,
 });

@@ -44,6 +51,41 @@ export const sessions = sqliteTable("sessions", {
  createdAt: timestamps.createdAt,
 });

+/**
+ * One-time recovery codes, issued when 2FA is confirmed — SHA-256 hashed
+ * (they're low-entropy compared to a password, but only ever checked
+ * against a rate-limited login-challenge attempt counter, same as a TOTP
+ * code guess would be). usedAt marks a code as spent, not deleted, so the
+ * user can see in principle how many they've burned through — nothing
+ * currently surfaces that, but there's no reason to throw the row away.
+ */
+export const totpRecoveryCodes = sqliteTable("totp_recovery_codes", {
+  id: id(),
+  userId: text("user_id")
+    .notNull()
+    .references(() => users.id, { onDelete: "cascade" }),
+  codeHash: text("code_hash").notNull(),
+  usedAt: integer("used_at", { mode: "timestamp_ms" }),
+  createdAt: timestamps.createdAt,
+});
+
+/**
+ * The "you passed step 1 (password), now prove step 2 (TOTP)" state for a
+ * 2FA-enabled account — deliberately not the same table as `sessions`,
+ * since a login challenge must never be usable as a real session no matter
+ * what bug might otherwise conflate the two. Short TTL (5 min) and a capped
+ * attempt counter so it can't be brute-forced; see lib/auth/login-challenge.ts.
+ */
+export const loginChallenges = sqliteTable("login_challenges", {
+  tokenHash: text("token_hash").primaryKey(),
+  userId: text("user_id")
+    .notNull()
+    .references(() => users.id, { onDelete: "cascade" }),
+  attempts: integer("attempts").notNull().default(0),
+  expiresAt: integer("expires_at", { mode: "timestamp_ms" }).notNull(),
+  createdAt: timestamps.createdAt,
+});
+
 /** People who file tickets — identified by whichever channel they came in on. */
 export const customers = sqliteTable("customers", {
  id: id(),
@@ -89,6 +131,11 @@ export const messages = sqliteTable("messages", {
  authorId: text("author_id"),
  authorName: text("author_name").notNull(),
  body: text("body").notNull(),
+  // Sanitized HTML, set only for inbound email messages that had an HTML
+  // part — preserves the sender's original formatting (fonts, layout,
+  // inline images) instead of the flattened plain-text `body`. Null for
+  // every other channel/direction, which keeps rendering the plain body.
+  bodyHtml: text("body_html"),
  direction: text("direction", { enum: ["in", "out"] }).notNull(),
  // "internal" notes are agent-only — never sent to the customer over any
  // channel, and filtered out of every customer-facing read path (portal,
@@ -100,6 +147,11 @@ export const messages = sqliteTable("messages", {
  // email channel — lets a customer's future reply be matched back to the
  // exact ticket via In-Reply-To/References, even if they have other tickets.
  emailMessageId: text("email_message_id"),
+  // Set when this is an outbound agent reply whose channel delivery
+  // (email send / Telegram send) failed — the reply itself is always
+  // recorded regardless (see deliverAgentMessage), but the agent needs a
+  // way to tell "saved" from "the customer actually got this".
+  deliveryFailed: integer("delivery_failed", { mode: "boolean" }).notNull().default(false),
  createdAt: timestamps.createdAt,
 });

@@ -122,6 +174,13 @@ export const mailboxConfig = sqliteTable("mailbox_config", {
  smtpPort: integer("smtp_port").notNull().default(587),
  user: text("user").notNull(),
  passwordEnc: text("password_enc").notNull(),
+  // Null unless the SMTP AUTH identity can't send as itself — e.g. an
+  // on-prem/hybrid M365 setup where `user` is the AD UPN used to log in
+  // (like elsup@zag.lan) but the mailbox's actual permitted "From" address
+  // is a different, customer-facing domain. Exchange Online rejects a
+  // mismatched From with "550 5.7.60 ... does not have permissions to send
+  // as this sender" — see sendTicketReplyEmail. Defaults to `user` when unset.
+  fromAddress: text("from_address"),
  // Both IMAP and SMTP presented an expired cert on support@top-sysops.ru at
  // setup time. This is a LAN-only mailbox (never exposed to the internet),
  // so skipping verification is an accepted risk — not a default for
@@ -177,6 +236,16 @@ export const attachments = sqliteTable("attachments", {
  sizeBytes: integer("size_bytes").notNull(),
  // Relative path under DATA_DIR/attachments/ — see src/lib/attachments/storage.ts.
  storageKey: text("storage_key").notNull(),
+  // The email's Content-ID header (no angle brackets) for a cid:-referenced
+  // inline image — used to rewrite `cid:` references in messages.bodyHtml
+  // to this attachment's serving URL. Null for regular attachments *and*
+  // for inline images that came from a data: URI instead (see isInline).
+  contentId: text("content_id"),
+  // True for any attachment whose file is already shown inside the
+  // message's bodyHtml (a cid: image, or one extracted from a data: URI —
+  // see lib/mail/imap.ts) — the UI uses this to skip showing it a second
+  // time as a separate chip below the already-rendered body.
+  isInline: integer("is_inline", { mode: "boolean" }).notNull().default(false),
  createdAt: timestamps.createdAt,
 });

@@ -195,6 +264,10 @@ export const tags = sqliteTable("tags", {
  color: text("color", { enum: ["accent", "success", "warning", "info", "rose", "danger"] })
    .notNull()
    .default("accent"),
+  // At most one tag has this set (enforced in service.ts's setDefaultTag,
+  // not at the schema level) — auto-attached to every ticket the moment
+  // it's created, across every channel (email/telegram/widget/manual).
+  isDefault: integer("is_default", { mode: "boolean" }).notNull().default(false),
  createdAt: timestamps.createdAt,
 });

@@ -226,5 +299,10 @@ export const pushSubscriptions = sqliteTable("push_subscriptions", {
  endpoint: text("endpoint").notNull().unique(),
  p256dh: text("p256dh").notNull(),
  auth: text("auth").notNull(),
+  // Raw navigator.userAgent at subscribe time, purely for display — lets a
+  // user tell their two subscribed browsers apart when unsubscribing one
+  // (e.g. Windows + both Chrome and Edge granted notification permission,
+  // each getting its own OS toast for the same event).
+  userAgent: text("user_agent"),
  createdAt: timestamps.createdAt,
 });
@@ -119,11 +119,20 @@ async function ldapSearchCli(
  filter: string,
 ): Promise<{ dn: string; attributes: Record<string, string> }[]> {
  const protocol = settings.useTls ? "ldaps" : "ldap";
+  try {
    const { stdout } = await execFileAsync(
      "ldapsearch",
      [
        "-x",
        "-LLL",
+        // Simple Paged Results (RFC 2696): without it, a base DN with more
+        // entries than the server's admin-configured sizeLimit (AD default:
+        // 1000, but often set lower) fails the whole search outright —
+        // "Size limit exceeded (4)" — even though every individual page is
+        // under the limit. ldapsearch transparently walks all pages and
+        // concatenates the LDIF output, so parseLdif below needs no changes.
+        "-E",
+        "pr=500/noprompt",
        "-H",
        `${protocol}://${settings.host}:${settings.port}`,
        "-D",
@@ -143,6 +152,16 @@ async function ldapSearchCli(
      { maxBuffer: 20 * 1024 * 1024, timeout: 15_000 },
    );
    return parseLdif(stdout);
+  } catch (err) {
+    // execFile's rejection .message is "Command failed: <full argv>\n<stderr>"
+    // — the full argv includes -w <bindPassword> verbatim, which would
+    // otherwise reach callers (and, via the admin API's error responses,
+    // the browser) in plain text. Only stderr — ldapsearch's own diagnostic
+    // text, which never echoes the arguments it was invoked with — is safe
+    // to surface.
+    const stderr = (err as { stderr?: string })?.stderr?.trim();
+    throw new Error(stderr || "ldapsearch failed");
+  }
 }

 /** Escapes an untrusted value for safe interpolation into an LDAP search filter (RFC 4515). */
@@ -11,6 +11,9 @@ export interface MailboxSettings {
  user: string;
  password: string;
  allowInsecureTls: boolean;
+  // See the schema comment on mailboxConfig.fromAddress — undefined means
+  // "same as user", the common case.
+  fromAddress?: string;
 }

 /** Settings for the running listener/sender — null if never configured or disabled. */
@@ -26,6 +29,7 @@ export async function getMailboxSettings(): Promise<MailboxSettings | null> {
    user: config.user,
    password: decryptCredential(config.passwordEnc),
    allowInsecureTls: config.allowInsecureTls,
+    fromAddress: config.fromAddress ?? undefined,
  };
 }

@@ -38,6 +42,7 @@ export async function saveMailboxSettings(settings: MailboxSettings): Promise<vo
    user: settings.user,
    passwordEnc: encryptCredential(settings.password),
    allowInsecureTls: settings.allowInsecureTls,
+    fromAddress: settings.fromAddress || null,
    enabled: true,
    verifiedAt: new Date(),
  };
@@ -65,6 +70,7 @@ export async function getMailboxStatus() {
    user: config?.user ?? null,
    imapHost: config?.imapHost ?? null,
    allowInsecureTls: config?.allowInsecureTls ?? false,
+    fromAddress: config?.fromAddress ?? null,
    verifiedAt: config?.verifiedAt?.getTime() ?? null,
  };
 }
@@ -0,0 +1,35 @@
+import { describe, expect, it } from "vitest";
+import { extractDataUriImages } from "./imap";
+
+const TINY_PNG_B64 = "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII=";
+
+describe("extractDataUriImages", () => {
+  it("extracts a data:image src into a real attachment and rewrites the HTML to reference it", async () => {
+    const html = `<p>see</p><img src="data:image/png;base64,${TINY_PNG_B64}" alt="shot">`;
+    const { html: out, attachments } = await extractDataUriImages(html);
+
+    expect(attachments).toHaveLength(1);
+    expect(attachments[0].mimeType).toBe("image/png");
+    expect(attachments[0].isInline).toBe(true);
+    expect(attachments[0].contentId).toBeNull();
+    expect(out).toContain(`/api/attachments/${attachments[0].id}`);
+    expect(out).not.toContain("base64");
+  });
+
+  it("dedupes the same image embedded twice into a single attachment", async () => {
+    const src = `data:image/png;base64,${TINY_PNG_B64}`;
+    const html = `<img src="${src}"><p>middle</p><img src="${src}">`;
+    const { html: out, attachments } = await extractDataUriImages(html);
+
+    expect(attachments).toHaveLength(1);
+    const occurrences = out.split(`/api/attachments/${attachments[0].id}`).length - 1;
+    expect(occurrences).toBe(2);
+  });
+
+  it("leaves HTML with no data: images untouched", async () => {
+    const html = '<p>hi</p><img src="https://example.com/x.png">';
+    const { html: out, attachments } = await extractDataUriImages(html);
+    expect(attachments).toHaveLength(0);
+    expect(out).toBe(html);
+  });
+});
@@ -1,9 +1,11 @@
+import crypto from "node:crypto";
 import { ImapFlow } from "imapflow";
 import { simpleParser, type ParsedMail } from "mailparser";
 import { htmlToText } from "html-to-text";
 import { getMailboxSettings, saveMailboxSettings, disableMailboxConfig, type MailboxSettings } from "@/lib/mail/config";
 import { recordEmailInboundMessage } from "@/lib/tickets/service";
 import { saveAttachment } from "@/lib/attachments/storage";
+import { sanitizeEmailHtml } from "@/lib/mail/sanitize-html";

 interface ListenerState {
  client: ImapFlow | null;
@@ -33,15 +35,114 @@ function createClient(settings: MailboxSettings): ImapFlow {
 // blindly — some senders (Outlook in particular) produce a text/plain
 // alternative that isn't actually clean, while html-to-text reliably drops
 // <head>/<style> content (e.g. Outlook's VML behavior: url(...) rules) and
-// decodes entities, which a naive tag-stripping regex cannot do.
+// decodes entities, which a naive tag-stripping regex cannot do. Images and
+// any link whose href is itself a cid:/data: URI are skipped entirely — the
+// alternative is a multi-KB base64 blob or a bare `cid:...` token leaking
+// into the plain-text fallback as visible "text". The real HTML rendering
+// (bodyHtml, built in handleRawMessage) is what actually shows the images.
 function extractBody(parsed: ParsedMail): string {
  if (typeof parsed.html === "string") {
-    return htmlToText(parsed.html, { baseElements: { selectors: ["body"] }, wordwrap: false }).trim();
+    return htmlToText(parsed.html, {
+      baseElements: { selectors: ["body"] },
+      wordwrap: false,
+      selectors: [
+        { selector: "img", format: "skip" },
+        { selector: 'a[href^="data:"]', format: "skip" },
+        { selector: 'a[href^="cid:"]', format: "skip" },
+      ],
+    }).trim();
  }
  if (parsed.text) return parsed.text;
  return "(пустое письмо)";
 }

+interface ExtractedAttachment {
+  id: string;
+  filename: string;
+  mimeType: string;
+  sizeBytes: number;
+  storageKey: string;
+  contentId: string | null;
+  isInline: boolean;
+}
+
+const DATA_URI_IMG_RE = /src=(["'])(data:image\/[a-zA-Z0-9.+-]+;base64,[A-Za-z0-9+/=]+)\1/g;
+
+/**
+ * Pulls every `data:image/...;base64,...` embedded directly in an <img src>
+ * out into a real attachment file, replacing it in the HTML with that
+ * attachment's serving URL. Two things this fixes: (1) a data: URI can be
+ * hundreds of KB, sitting in the messages table's body_html column instead
+ * of the filesystem; (2) browsers (Chrome specifically) block navigating a
+ * tab to a data: URL, so a <a href="data:..." target="_blank"> around the
+ * image — the whole point of the click-to-zoom feature — silently does
+ * nothing. A real /api/attachments/{id} URL has neither problem. Identical
+ * data URIs (the same image embedded twice) are deduped to one attachment.
+ */
+export async function extractDataUriImages(html: string): Promise<{ html: string; attachments: ExtractedAttachment[] }> {
+  const attachmentIdByDataUri = new Map<string, string>();
+  const attachments: ExtractedAttachment[] = [];
+
+  for (const match of html.matchAll(DATA_URI_IMG_RE)) {
+    const dataUri = match[2];
+    if (attachmentIdByDataUri.has(dataUri)) continue;
+
+    const [meta, base64Payload] = dataUri.slice("data:".length).split(";base64,");
+    if (!base64Payload) continue;
+    const buffer = Buffer.from(base64Payload, "base64");
+    if (buffer.length === 0) continue;
+
+    try {
+      const { storageKey, sizeBytes } = await saveAttachment(buffer);
+      const attachmentId = crypto.randomUUID();
+      const extension = meta.split("/")[1]?.split("+")[0] || "png";
+      attachments.push({
+        id: attachmentId,
+        filename: `image-${attachments.length + 1}.${extension}`,
+        mimeType: meta || "image/png",
+        sizeBytes,
+        storageKey,
+        contentId: null,
+        isInline: true,
+      });
+      attachmentIdByDataUri.set(dataUri, attachmentId);
+    } catch (err) {
+      console.error("[mail] failed to save data-URI image:", err);
+    }
+  }
+
+  let rewritten = html;
+  for (const [dataUri, attachmentId] of attachmentIdByDataUri) {
+    rewritten = rewritten.split(dataUri).join(`/api/attachments/${attachmentId}`);
+  }
+  return { html: rewritten, attachments };
+}
+
+/**
+ * Sanitizes the HTML part for display and rewrites `cid:`/data-URI inline
+ * images to the URL the matching attachment will be served from —
+ * `attachmentIdByCid` must already reflect the IDs the cid attachments are
+ * about to be inserted with (see handleRawMessage, which generates them
+ * upfront for exactly this reason). Data-URI images are extracted into
+ * their own attachments here instead (see extractDataUriImages) — the
+ * caller must fold the returned attachments into the same insert.
+ */
+async function extractHtmlBody(
+  parsed: ParsedMail,
+  attachmentIdByCid: Map<string, string>,
+): Promise<{ html: string | null; attachments: ExtractedAttachment[] }> {
+  if (typeof parsed.html !== "string") return { html: null, attachments: [] };
+
+  const { html: withDataUrisExtracted, attachments } = await extractDataUriImages(parsed.html);
+
+  let html = withDataUrisExtracted;
+  for (const [cid, attachmentId] of attachmentIdByCid) {
+    html = html.split(`cid:${cid}`).join(`/api/attachments/${attachmentId}`);
+  }
+
+  return { html: sanitizeEmailHtml(html), attachments };
+}
+
 async function handleRawMessage(source: Buffer): Promise<void> {
  const parsed = await simpleParser(source);
  const from = parsed.from?.value[0];
@@ -53,29 +154,41 @@ async function handleRawMessage(source: Buffer): Promise<void> {
    ...(Array.isArray(parsed.references) ? parsed.references : parsed.references ? [parsed.references] : []),
  ];

+  // IDs are generated here rather than left to the DB default so bodyHtml's
+  // cid: rewrite (which happens before anything is inserted) can point at
+  // the exact attachment row this loop is about to create.
+  const attachmentIdByCid = new Map<string, string>();
  const attachmentInputs = [];
  for (const [i, part] of (parsed.attachments ?? []).entries()) {
    try {
      const { storageKey, sizeBytes } = await saveAttachment(part.content);
+      const attachmentId = crypto.randomUUID();
+      if (part.cid) attachmentIdByCid.set(part.cid, attachmentId);
      attachmentInputs.push({
+        id: attachmentId,
        filename: part.filename || `attachment-${i + 1}`,
        mimeType: part.contentType || "application/octet-stream",
        sizeBytes,
        storageKey,
+        contentId: part.cid ?? null,
+        isInline: Boolean(part.cid),
      });
    } catch (err) {
      console.error("[mail] failed to save attachment:", err);
    }
  }

+  const { html: bodyHtml, attachments: dataUriAttachments } = await extractHtmlBody(parsed, attachmentIdByCid);
+
  await recordEmailInboundMessage({
    fromEmail: from.address,
    fromName: from.name || from.address,
    subject: parsed.subject ?? "",
    body: extractBody(parsed),
+    bodyHtml,
    messageId: parsed.messageId ?? null,
    referencedMessageIds: referencedIds,
-    attachments: attachmentInputs,
+    attachments: [...attachmentInputs, ...dataUriAttachments],
  });
 }

@@ -111,11 +224,54 @@ async function processUnseenMessages(client: ImapFlow): Promise<void> {
  }
 }

+/** Shared by the idle loop's own catch and the watchdog below — only one of them should ever win the race to reconnect. */
+function scheduleReconnect(client: ImapFlow, reason: string, err?: unknown): void {
+  if (state.client !== client) return; // already superseded (new client) or stopped — nothing to do
+  console.error(`[mail] ${reason}, will retry shortly:`, err ?? "");
+  state.client = null;
+  if (!state.stopping) {
+    setTimeout(() => {
+      ensureMailListenerStarted().catch((e) => console.error("Mail listener retry failed:", e));
+    }, 15_000);
+  }
+}
+
+const WATCHDOG_INTERVAL_MS = 5 * 60 * 1000;
+const WATCHDOG_TIMEOUT_MS = 20_000;
+
+/**
+ * A live IDLE connection has twice gone quietly unresponsive in production —
+ * mail kept landing server-side but this process never noticed — without
+ * ImapFlow's own error handler ever firing. A plain IDLE loop has no way to
+ * detect that on its own: if the socket is dead but no TCP-level event
+ * arrives, `client.idle()` just hangs forever. This periodically forces a
+ * real round trip (NOOP, which ImapFlow transparently breaks IDLE for and
+ * resumes after) with its own hard deadline, independent of whatever
+ * ImapFlow's internal socket timeout is doing — if it doesn't come back in
+ * time, the connection is presumed dead and torn down for a fresh reconnect.
+ */
+function startWatchdog(client: ImapFlow): void {
+  const interval = setInterval(() => {
+    if (state.client !== client) {
+      clearInterval(interval);
+      return;
+    }
+    const timeout = new Promise<never>((_, reject) =>
+      setTimeout(() => reject(new Error("watchdog NOOP timed out")), WATCHDOG_TIMEOUT_MS),
+    );
+    Promise.race([client.noop(), timeout]).catch((err) => {
+      clearInterval(interval);
+      scheduleReconnect(client, "IMAP watchdog check failed", err);
+    });
+  }, WATCHDOG_INTERVAL_MS);
+}
+
 async function runIdleLoop(client: ImapFlow): Promise<void> {
  try {
    await client.mailboxOpen("INBOX");
    console.log("[mail] IDLE listener connected, watching INBOX");
    await processUnseenMessages(client);
+    startWatchdog(client);

    // New mail is signaled by the 'exists' event while IDLE is active — it's
    // independent of when idle() itself resolves (that happens on periodic
@@ -130,15 +286,7 @@ async function runIdleLoop(client: ImapFlow): Promise<void> {
      await client.idle();
    }
  } catch (err) {
-    if (state.client === client) {
-      console.error("IMAP idle loop error, will retry shortly:", err);
-      state.client = null;
-      if (!state.stopping) {
-        setTimeout(() => {
-          ensureMailListenerStarted().catch((e) => console.error("Mail listener retry failed:", e));
-        }, 15_000);
-      }
-    }
+    scheduleReconnect(client, "IMAP idle loop error", err);
  }
 }

@@ -0,0 +1,86 @@
+import { describe, expect, it } from "vitest";
+import * as cheerio from "cheerio";
+import { sanitizeEmailHtml } from "./sanitize-html";
+
+describe("sanitizeEmailHtml", () => {
+  it("keeps a data-URI screenshot as a real image, not text", () => {
+    const html = '<p>See screenshot:</p><img src="data:image/png;base64,iVBORw0KGgo=" alt="shot">';
+    const out = sanitizeEmailHtml(html);
+    expect(out).toContain('src="data:image/png;base64,iVBORw0KGgo="');
+    expect(out).not.toContain("[data:image");
+  });
+
+  it("preserves inline font/color formatting", () => {
+    const out = sanitizeEmailHtml('<p style="color:red;font-family:Arial;font-size:14px;">Hi</p>');
+    expect(out).toContain("color:red");
+    expect(out).toContain("font-family:Arial");
+    expect(out).toContain("font-size:14px");
+  });
+
+  it("strips <script> tags and inline event handlers", () => {
+    const out = sanitizeEmailHtml('<p onclick="alert(1)">click</p><script>alert(2)</script>');
+    expect(out).not.toContain("<script");
+    expect(out).not.toContain("onclick");
+    expect(out).not.toContain("alert");
+  });
+
+  it("strips javascript: hrefs but keeps real links with noopener", () => {
+    const out = sanitizeEmailHtml('<a href="javascript:alert(1)">bad</a><a href="https://example.com">good</a>');
+    expect(out).not.toContain("javascript:");
+    expect(out).toContain('href="https://example.com"');
+    expect(out).toContain("noopener");
+  });
+
+  it("drops unresolved cid: image references instead of leaking the token as text", () => {
+    const out = sanitizeEmailHtml('<img src="cid:image001.png@01D9" alt="x">');
+    expect(out).not.toContain("cid:image001.png");
+  });
+
+  it("drops layout-breaking styles like position:fixed", () => {
+    const out = sanitizeEmailHtml('<div style="position:fixed;top:0;left:0;width:9999px;">x</div>');
+    expect(out).not.toContain("position");
+    expect(out).not.toContain("9999px");
+  });
+
+  it("unwraps Outlook VML/mso markup without leaking its CSS as visible text", () => {
+    const html = `<html><head><style>v\\:* {behavior:url(#default#VML);}</style></head><body><p>Hi</p></body></html>`;
+    const out = sanitizeEmailHtml(html);
+    expect(out).not.toContain("behavior:url");
+    expect(out).toContain("Hi");
+  });
+
+  it("wraps a bare image in a link to its own full-size src, opened in a new tab", () => {
+    // A non-data: src, since Chrome refuses to navigate a tab to a data:
+    // URL — by the time sanitizeEmailHtml runs, imap.ts has already
+    // extracted data:image srcs into real /api/attachments/... URLs.
+    const out = sanitizeEmailHtml('<img src="/api/attachments/abc-123" alt="shot">');
+    expect(out).toMatch(/<a href="\/api\/attachments\/abc-123"[^>]*target="_blank"[^>]*><img[^>]*><\/a>/);
+  });
+
+  it("leaves a residual data: URI image unwrapped rather than linking somewhere Chrome won't navigate", () => {
+    const out = sanitizeEmailHtml('<img src="data:image/png;base64,iVBORw0KGgo=" alt="shot">');
+    expect(out).not.toContain("<a ");
+    expect(out).toContain('src="data:image/png;base64,iVBORw0KGgo="');
+  });
+
+  it("does not double-wrap an image the sender already linked themselves", () => {
+    const out = sanitizeEmailHtml('<a href="https://example.com/landing"><img src="https://example.com/banner.png"></a>');
+    const anchorCount = (out.match(/<a /g) ?? []).length;
+    expect(anchorCount).toBe(1);
+    expect(out).toContain('href="https://example.com/landing"');
+  });
+
+  it("safely wraps an image whose src contains characters that could break out of an HTML attribute", () => {
+    // sanitize-html itself only checks the URL scheme on a data: src, not
+    // that the payload is actually image data — the wrap step must not
+    // re-parse that value as HTML when building the wrapping <a>. A raw
+    // "<script>" substring inside a properly double-quoted attribute value
+    // is inert (browsers only end the attribute on the matching quote, not
+    // on ">"), so the real check is "no actual <script> element exists
+    // when the output is parsed as HTML", not a plain substring match.
+    const evilSrc = 'data:text/plain,"><script>alert(1)</script>';
+    const out = sanitizeEmailHtml(`<img src="${evilSrc.replace(/"/g, "&quot;")}">`);
+    const $ = cheerio.load(out, null, false);
+    expect($("script").length).toBe(0);
+  });
+});
@@ -0,0 +1,97 @@
+import sanitizeHtml from "sanitize-html";
+import * as cheerio from "cheerio";
+
+// Formatting-only tags — no <script>/<style>/<iframe>/<object>/<form>/svg/etc.
+// Unknown tags (Outlook's <o:p>, VML <v:*>) are unwrapped by sanitize-html
+// (tag dropped, text content kept), which is what we want for stray markup.
+const ALLOWED_TAGS = [
+  "a", "p", "br", "div", "span", "b", "strong", "i", "em", "u", "s", "strike", "small",
+  "ul", "ol", "li", "blockquote", "pre", "code", "hr",
+  "h1", "h2", "h3", "h4", "h5", "h6",
+  "table", "thead", "tbody", "tr", "td", "th",
+  "img", "sub", "sup", "font",
+];
+
+// Only visual/typographic properties — nothing that can reposition or
+// resize content out of the message bubble (position, width/height on
+// non-img elements, etc. are simply not in this allowlist and get dropped).
+const ALLOWED_STYLES = {
+  "*": {
+    color: [/^#[0-9a-fA-F]{3,8}$/, /^rgb\(\s*\d+\s*,\s*\d+\s*,\s*\d+\s*\)$/, /^[a-zA-Z]+$/],
+    "background-color": [/^#[0-9a-fA-F]{3,8}$/, /^rgb\(\s*\d+\s*,\s*\d+\s*,\s*\d+\s*\)$/, /^[a-zA-Z]+$/],
+    "font-family": [/^[\w\s,'"-]+$/],
+    "font-size": [/^\d+(\.\d+)?(px|pt|em|%)$/],
+    "font-weight": [/^(normal|bold|\d{3})$/],
+    "font-style": [/^(normal|italic)$/],
+    "text-align": [/^(left|right|center|justify)$/],
+    "text-decoration": [/^[\w\s-]+$/],
+    "line-height": [/^[\d.]+(px|em|%)?$/],
+  },
+};
+
+/**
+ * Renders an inbound email's HTML part safely for display in the ticket
+ * thread — preserves fonts/colors/layout/inline images (the whole point:
+ * "как человек на почту отправил, ровно также оно и пришло"), while
+ * stripping anything that could execute script or break the page layout.
+ * `cid:` image references must already be rewritten to real attachment URLs
+ * before calling this (see imap.ts) — `cid`/`javascript` are not in the
+ * allowed URL schemes, so any that slip through as-is are dropped.
+ */
+export function sanitizeEmailHtml(html: string): string {
+  const clean = sanitizeHtml(html, {
+    allowedTags: ALLOWED_TAGS,
+    allowedAttributes: {
+      a: ["href", "title", "target", "rel"],
+      img: ["src", "alt", "width", "height", "style"],
+      td: ["colspan", "rowspan", "style"],
+      th: ["colspan", "rowspan", "style"],
+      table: ["style", "border", "cellpadding", "cellspacing"],
+      "*": ["style"],
+    },
+    allowedSchemes: ["http", "https", "mailto"],
+    allowedSchemesByTag: { img: ["http", "https", "data"] },
+    allowedStyles: ALLOWED_STYLES,
+    transformTags: {
+      a: sanitizeHtml.simpleTransform("a", { target: "_blank", rel: "noopener noreferrer" }),
+    },
+  });
+  return wrapBareImagesInLinks(clean);
+}
+
+/**
+ * A plain <img> with no href around it isn't clickable — the message
+ * bubble shows it shrunk to fit, and the only way to see it at full
+ * resolution was the browser's right-click "open image in new tab". Wrap
+ * every image not already inside a real link (a sender-linked banner, say)
+ * in one pointing at its own src, so a normal click does the same thing.
+ * Runs after sanitizeHtml, on already-sanitized output — the href is just
+ * the img's own already-scheme-validated src, so this can't reintroduce
+ * anything sanitizeHtml would have stripped.
+ *
+ * data: URIs are skipped here — imap.ts extracts every data:image src into
+ * a real attachment (and a real /api/attachments/... URL) before this ever
+ * runs, specifically because Chrome silently refuses to navigate a tab to a
+ * data: URL, so a link built from one would look clickable but do nothing.
+ * Anything still starting with "data:" at this point is a residual case
+ * that extraction didn't catch — better left unwrapped (a plain image) than
+ * wrapped in a link that appears to work but doesn't.
+ */
+function wrapBareImagesInLinks(html: string): string {
+  const $ = cheerio.load(html, null, false);
+  $("img").each((_, el) => {
+    const $img = $(el);
+    if ($img.closest("a").length > 0) return;
+    const src = $img.attr("src");
+    if (!src || src.startsWith("data:")) return;
+    // Built via .attr(), not string-interpolated HTML — src is
+    // attacker-influenced (an already scheme-validated but otherwise
+    // arbitrary data:/http(s) URL), and interpolating it into an HTML
+    // string for cheerio to re-parse would let a crafted `src` (e.g. one
+    // containing an embedded `">`) break out of the attribute and inject
+    // markup. Setting it as a DOM attribute value keeps it inert.
+    const $a = $("<a>").attr({ href: src, target: "_blank", rel: "noopener noreferrer" });
+    $img.wrap($a);
+  });
+  return $.html();
+}
@@ -32,11 +32,12 @@ export async function sendTicketReplyEmail(params: {
  const settings = await getMailboxSettings();
  if (!settings) throw new Error("Email channel is not configured");

-  const messageId = `<${crypto.randomUUID()}@${settings.user.split("@")[1] ?? "top-sysops.ru"}>`;
+  const fromAddress = settings.fromAddress || settings.user;
+  const messageId = `<${crypto.randomUUID()}@${fromAddress.split("@")[1] ?? "top-sysops.ru"}>`;
  const subject = params.subject.toLowerCase().startsWith("re:") ? params.subject : `Re: ${params.subject}`;

  await createTransport(settings).sendMail({
-    from: settings.user,
+    from: fromAddress,
    to: params.to,
    subject,
    text: params.body,
@@ -57,7 +57,7 @@ export async function ensurePushSubscribed(): Promise<void> {
    const saveRes = await fetch("/api/push/subscribe", {
      method: "POST",
      headers: { "Content-Type": "application/json" },
-      body: JSON.stringify(subscription.toJSON()),
+      body: JSON.stringify({ ...subscription.toJSON(), userAgent: navigator.userAgent }),
    });
    if (saveRes.ok) {
      console.log("[push] subscription saved server-side — done");
@@ -1,4 +1,4 @@
-import { eq, inArray } from "drizzle-orm";
+import { eq, inArray, and } from "drizzle-orm";
 import { db } from "@/lib/db/client";
 import { pushSubscriptions, users } from "@/lib/db/schema";
 import type { TicketDTO, MessageDTO } from "@/lib/tickets/types";
@@ -10,13 +10,17 @@ export interface PushSubscriptionKeys {
 }

 /** Re-subscribing from the same browser (e.g. after clearing site data and re-granting) overwrites the old row via the endpoint's unique constraint, rather than accumulating stale duplicates. */
-export async function savePushSubscription(userId: string, sub: PushSubscriptionKeys): Promise<void> {
+export async function savePushSubscription(
+  userId: string,
+  sub: PushSubscriptionKeys,
+  userAgent?: string,
+): Promise<void> {
  await db
    .insert(pushSubscriptions)
-    .values({ userId, endpoint: sub.endpoint, p256dh: sub.keys.p256dh, auth: sub.keys.auth })
+    .values({ userId, endpoint: sub.endpoint, p256dh: sub.keys.p256dh, auth: sub.keys.auth, userAgent })
    .onConflictDoUpdate({
      target: pushSubscriptions.endpoint,
-      set: { userId, p256dh: sub.keys.p256dh, auth: sub.keys.auth },
+      set: { userId, p256dh: sub.keys.p256dh, auth: sub.keys.auth, userAgent },
    });
 }

@@ -24,6 +28,22 @@ export async function deletePushSubscriptionByEndpoint(endpoint: string): Promis
  await db.delete(pushSubscriptions).where(eq(pushSubscriptions.endpoint, endpoint));
 }

+/** A user's own subscribed devices/browsers, for the "manage notifications" settings list — never exposes the endpoint/keys, only what's useful to tell rows apart. */
+export async function listPushSubscriptionsForUser(userId: string) {
+  const rows = await db.query.pushSubscriptions.findMany({
+    where: eq(pushSubscriptions.userId, userId),
+    orderBy: (t, { desc }) => desc(t.createdAt),
+  });
+  return rows.map((r) => ({ id: r.id, userAgent: r.userAgent, createdAt: r.createdAt }));
+}
+
+/** Deletes one of the current user's own subscriptions by id — scoped so a user can only ever remove their own. */
+export async function deleteOwnPushSubscription(userId: string, id: string): Promise<void> {
+  await db
+    .delete(pushSubscriptions)
+    .where(and(eq(pushSubscriptions.id, id), eq(pushSubscriptions.userId, userId)));
+}
+
 async function sendPushToUsers(userIds: string[], payload: { title: string; body: string; url: string }): Promise<void> {
  if (userIds.length === 0 || !ensureVapidConfigured()) return;

@@ -49,10 +49,24 @@ export async function deliverAgentMessage(params: {
    });
  }

+  // Channel delivery (email/Telegram) is best-effort: the agent's reply is
+  // the thing that must never be lost. Previously an SMTP/Telegram failure
+  // here threw straight out of this function, so recordAgentReply below was
+  // never reached — the reply vanished entirely (not recorded, nothing
+  // shown in the thread) and the API route's catch-all turned it into a
+  // misleading "Ticket not found". A broken mail/bot account should degrade
+  // to "reply saved internally, not delivered" — never silent data loss.
+  // A ticket only ever has one channel, so at most one of the two branches
+  // below runs — this single flag is the outcome of whichever one does, and
+  // is what lets the agent tell "saved" from "the customer actually got
+  // this" in the UI (see messages.deliveryFailed).
  let emailMessageId: string | undefined;
+  let deliveryFailed = false;
+
  if (ticket.channel === "email") {
    const context = await getEmailThreadContext(params.ticketId);
    if (context) {
+      try {
        emailMessageId = await sendTicketReplyEmail({
          to: context.customerEmail,
          subject: context.subject,
@@ -62,23 +76,17 @@ export async function deliverAgentMessage(params: {
            ? { filename: params.attachment.filename, content: params.attachment.buffer }
            : undefined,
        });
+      } catch (err) {
+        console.error(`Failed to send reply email for ticket ${params.ticketId}:`, err);
+        deliveryFailed = true;
      }
    }
-
-  const result = await recordAgentReply({
-    ticketId: params.ticketId,
-    agentId: params.agentId,
-    agentName: params.agentName,
-    body: params.body,
-    emailMessageId,
-    attachments: attachmentInput ? [attachmentInput] : undefined,
-  });
-
-  if (result.ticket.channel === "telegram") {
+  } else if (ticket.channel === "telegram") {
    const customer = await db.query.customers.findFirst({
-      where: eq(customers.id, result.ticket.customerId),
+      where: eq(customers.id, ticket.customerId),
    });
    if (customer?.telegramChatId) {
+      try {
        if (params.attachment) {
          await sendTelegramFile(
            customer.telegramChatId,
@@ -88,8 +96,22 @@ export async function deliverAgentMessage(params: {
        } else {
          await sendTelegramMessage(customer.telegramChatId, params.body);
        }
+      } catch (err) {
+        console.error(`Failed to deliver reply via Telegram for ticket ${params.ticketId}:`, err);
+        deliveryFailed = true;
+      }
    }
  }

+  const result = await recordAgentReply({
+    ticketId: params.ticketId,
+    agentId: params.agentId,
+    agentName: params.agentName,
+    body: params.body,
+    emailMessageId,
+    deliveryFailed,
+    attachments: attachmentInput ? [attachmentInput] : undefined,
+  });
+
  return result;
 }
@@ -13,6 +13,7 @@ import {
 } from "@/lib/db/schema";
 import { publishTicketEvent } from "@/lib/events/bus";
 import { notifyPushForCustomerMessage } from "@/lib/push/service";
+import { isTicketVisibleTo } from "@/lib/tickets/visibility";
 import type {
  TicketDTO,
  MessageDTO,
@@ -22,9 +23,22 @@ import type {
  AttachmentDTO,
 } from "@/lib/tickets/types";

-type AttachmentInput = { filename: string; mimeType: string; sizeBytes: number; storageKey: string };
+type AttachmentInput = {
+  id?: string;
+  filename: string;
+  mimeType: string;
+  sizeBytes: number;
+  storageKey: string;
+  contentId?: string | null;
+  isInline?: boolean;
+};

-function toTicketDTO(ticket: typeof tickets.$inferSelect, customerName: string, tags: TagDTO[]): TicketDTO {
+function toTicketDTO(
+  ticket: typeof tickets.$inferSelect,
+  customerName: string,
+  tags: TagDTO[],
+  assigneeName: string | null = null,
+): TicketDTO {
  return {
    id: ticket.id,
    subject: ticket.subject,
@@ -34,6 +48,7 @@ function toTicketDTO(ticket: typeof tickets.$inferSelect, customerName: string,
    customerId: ticket.customerId,
    customerName,
    assigneeId: ticket.assigneeId,
+    assigneeName,
    tags,
    createdAt: ticket.createdAt.getTime(),
    updatedAt: ticket.updatedAt.getTime(),
@@ -41,6 +56,13 @@ function toTicketDTO(ticket: typeof tickets.$inferSelect, customerName: string,
  };
 }

+/** Single-ticket lookups only — listTickets/listTicketsForCustomer LEFT JOIN users directly instead, to avoid N+1 queries across a whole board. */
+async function getAssigneeName(assigneeId: string | null): Promise<string | null> {
+  if (!assigneeId) return null;
+  const user = await db.query.users.findFirst({ where: eq(users.id, assigneeId) });
+  return user?.name ?? null;
+}
+
 function toMessageDTO(message: typeof messages.$inferSelect, attachments: AttachmentDTO[] = []): MessageDTO {
  return {
    id: message.id,
@@ -48,10 +70,12 @@ function toMessageDTO(message: typeof messages.$inferSelect, attachments: Attach
    authorType: message.authorType,
    authorName: message.authorName,
    body: message.body,
+    bodyHtml: message.bodyHtml,
    direction: message.direction,
    visibility: message.visibility,
    attachments,
    createdAt: message.createdAt.getTime(),
+    deliveryFailed: message.deliveryFailed,
  };
 }

@@ -81,7 +105,7 @@ async function getTagsForTickets(ticketIds: string[]): Promise<Map<string, TagDT

  for (const row of rows) {
    const list = map.get(row.ticketId) ?? [];
-    list.push({ id: row.tag.id, name: row.tag.name, color: row.tag.color });
+    list.push({ id: row.tag.id, name: row.tag.name, color: row.tag.color, isDefault: row.tag.isDefault });
    map.set(row.ticketId, list);
  }
  return map;
@@ -101,7 +125,7 @@ async function getAttachmentsForMessages(messageIds: string[]): Promise<Map<stri
  });
  for (const row of rows) {
    const list = map.get(row.messageId) ?? [];
-    list.push({ id: row.id, filename: row.filename, mimeType: row.mimeType, sizeBytes: row.sizeBytes });
+    list.push({ id: row.id, filename: row.filename, mimeType: row.mimeType, sizeBytes: row.sizeBytes, isInline: row.isInline });
    map.set(row.messageId, list);
  }
  return map;
@@ -115,9 +139,11 @@ async function appendMessage(params: {
  authorId: string | null;
  authorName: string;
  body: string;
+  bodyHtml?: string | null;
  direction: "in" | "out";
  visibility?: "public" | "internal";
  emailMessageId?: string;
+  deliveryFailed?: boolean;
  attachments?: AttachmentInput[];
 }) {
  const [message] = await db
@@ -128,8 +154,10 @@ async function appendMessage(params: {
      authorId: params.authorId,
      authorName: params.authorName,
      body: params.body,
+      bodyHtml: params.bodyHtml ?? null,
      direction: params.direction,
      visibility: params.visibility ?? "public",
+      deliveryFailed: params.deliveryFailed ?? false,
      emailMessageId: params.emailMessageId,
    })
    .returning();
@@ -145,13 +173,21 @@ async function appendMessage(params: {
      filename: a.filename,
      mimeType: a.mimeType,
      sizeBytes: a.sizeBytes,
+      isInline: a.isInline,
    }));
  }

+  if (params.ticketIsNew) {
+    const defaultTagId = await getDefaultTagId();
+    if (defaultTagId) {
+      await db.insert(ticketTags).values({ ticketId: params.ticket.id, tagId: defaultTagId });
+    }
+  }
+
  const ticket = await touchTicket(params.ticket.id, { lastMessageAt: new Date() });
  const name = await customerName(ticket.customerId);
  const ticketTagsList = await getTagsForTicket(ticket.id);
-  const dto = toTicketDTO(ticket, name, ticketTagsList);
+  const dto = toTicketDTO(ticket, name, ticketTagsList, await getAssigneeName(ticket.assigneeId));
  const messageDto = toMessageDTO(message, attachmentDTOs);

  publishTicketEvent({
@@ -278,16 +314,19 @@ export async function recordChatInboundMessage(params: {
 }

 /**
- * Records an inbound email. Prefers exact thread matching via
- * In-Reply-To/References (so a reply to a specific closed ticket lands on
- * that ticket, not a random other open one); falls back to the same
- * find-or-create-open-ticket heuristic used for Telegram.
+ * Records an inbound email. Threads it onto an existing ticket only via
+ * exact In-Reply-To/References matching. Unlike Telegram/the website widget
+ * (a continuous chat stream with no subject), email always carries a
+ * distinct subject per conversation — so a message with no header match is
+ * always a new, unrelated request and must become its own ticket, even if
+ * the customer already has another ticket open.
 */
 export async function recordEmailInboundMessage(params: {
  fromEmail: string;
  fromName: string;
  subject: string;
  body: string;
+  bodyHtml?: string | null;
  messageId: string | null;
  referencedMessageIds: string[];
  attachments?: AttachmentInput[];
@@ -297,7 +336,7 @@ export async function recordEmailInboundMessage(params: {
  const matchedTicketId = await findTicketIdByEmailReferences(params.referencedMessageIds);
  let ticket = matchedTicketId
    ? await db.query.tickets.findFirst({ where: eq(tickets.id, matchedTicketId) })
-    : await findOpenTicketForCustomer(customer.id);
+    : null;

  let ticketIsNew = false;
  if (!ticket) {
@@ -321,6 +360,7 @@ export async function recordEmailInboundMessage(params: {
    authorId: customer.id,
    authorName: params.fromName,
    body: params.body,
+    bodyHtml: params.bodyHtml,
    direction: "in",
    emailMessageId: params.messageId ?? undefined,
    attachments: params.attachments,
@@ -361,6 +401,7 @@ export async function recordAgentReply(params: {
  agentName: string;
  body: string;
  emailMessageId?: string;
+  deliveryFailed?: boolean;
  attachments?: AttachmentInput[];
 }) {
  const existing = await db.query.tickets.findFirst({ where: eq(tickets.id, params.ticketId) });
@@ -378,6 +419,7 @@ export async function recordAgentReply(params: {
    body: params.body,
    direction: "out",
    emailMessageId: params.emailMessageId,
+    deliveryFailed: params.deliveryFailed,
    attachments: params.attachments,
  });
 }
@@ -416,14 +458,38 @@ export async function setTicketStatus(
  status: (typeof tickets.$inferSelect)["status"],
 ) {
  const ticket = await touchTicket(ticketId, { status });
-  const dto = toTicketDTO(ticket, await customerName(ticket.customerId), await getTagsForTicket(ticket.id));
+  const dto = toTicketDTO(ticket, await customerName(ticket.customerId), await getTagsForTicket(ticket.id), await getAssigneeName(ticket.assigneeId));
  publishTicketEvent({ type: "ticket.updated", ticket: dto });
  return dto;
 }

+/**
+ * Changes status on many tickets at once, silently skipping any id that
+ * doesn't exist or isn't visible to the acting user (an agent selecting
+ * tickets only ever sees their own, so this is mostly a safety net against
+ * a stale client-side selection). Returns the ids actually updated.
+ */
+export async function bulkSetTicketStatus(
+  ticketIds: string[],
+  status: (typeof tickets.$inferSelect)["status"],
+  currentUser: { id: string; role: "admin" | "agent" },
+): Promise<string[]> {
+  if (ticketIds.length === 0) return [];
+
+  const rows = await db.query.tickets.findMany({ where: inArray(tickets.id, ticketIds) });
+  const visible = rows.filter((row) => isTicketVisibleTo(row, currentUser));
+
+  const updated: string[] = [];
+  for (const row of visible) {
+    await setTicketStatus(row.id, status);
+    updated.push(row.id);
+  }
+  return updated;
+}
+
 export async function assignTicket(ticketId: string, assigneeId: string | null) {
  const ticket = await touchTicket(ticketId, { assigneeId });
-  const dto = toTicketDTO(ticket, await customerName(ticket.customerId), await getTagsForTicket(ticket.id));
+  const dto = toTicketDTO(ticket, await customerName(ticket.customerId), await getTagsForTicket(ticket.id), await getAssigneeName(ticket.assigneeId));
  publishTicketEvent({ type: "ticket.updated", ticket: dto });
  return dto;
 }
@@ -464,9 +530,10 @@ export async function listTickets(
  }

  const rows = await db
-    .select({ ticket: tickets, customerName: customers.displayName })
+    .select({ ticket: tickets, customerName: customers.displayName, assigneeName: users.name })
    .from(tickets)
    .innerJoin(customers, eq(tickets.customerId, customers.id))
+    .leftJoin(users, eq(tickets.assigneeId, users.id))
    .orderBy(desc(tickets.lastMessageAt));

  const idsToKeep = matchingTicketIds;
@@ -477,7 +544,9 @@ export async function listTickets(
  }

  const tagsMap = await getTagsForTickets(filteredRows.map((r) => r.ticket.id));
-  return filteredRows.map((row) => toTicketDTO(row.ticket, row.customerName, tagsMap.get(row.ticket.id) ?? []));
+  return filteredRows.map((row) =>
+    toTicketDTO(row.ticket, row.customerName, tagsMap.get(row.ticket.id) ?? [], row.assigneeName ?? null),
+  );
 }

 export async function getTicketWithMessages(ticketId: string) {
@@ -498,7 +567,7 @@ export async function getTicketWithMessages(ticketId: string) {
  const ticketTagsList = await getTagsForTicket(ticketId);

  return {
-    ticket: toTicketDTO(row[0].ticket, row[0].customerName, ticketTagsList),
+    ticket: toTicketDTO(row[0].ticket, row[0].customerName, ticketTagsList, await getAssigneeName(row[0].ticket.assigneeId)),
    messages: ticketMessages.map((m) => toMessageDTO(m, attachmentsMap.get(m.id) ?? [])),
  };
 }
@@ -607,6 +676,7 @@ export async function createManualTicket(params: {
  body: string;
  customerName: string;
  customerEmail?: string;
+  attachment?: AttachmentInput;
 }) {
  const [customer] = await db
    .insert(customers)
@@ -630,6 +700,7 @@ export async function createManualTicket(params: {
    authorName: params.customerName,
    body: params.body,
    direction: "in",
+    attachments: params.attachment ? [params.attachment] : undefined,
  });
 }

@@ -671,7 +742,7 @@ export async function deleteCannedResponse(id: string) {

 export async function listTags(): Promise<TagDTO[]> {
  const rows = await db.query.tags.findMany({ orderBy: tagsTable.name });
-  return rows.map((r) => ({ id: r.id, name: r.name, color: r.color }));
+  return rows.map((r) => ({ id: r.id, name: r.name, color: r.color, isDefault: r.isDefault }));
 }

 export async function createTag(name: string, color: TagDTO["color"]) {
@@ -683,6 +754,20 @@ export async function deleteTag(id: string) {
  await db.delete(tagsTable).where(eq(tagsTable.id, id));
 }

+/** At most one default at a time — pass null to clear it entirely. */
+export async function setDefaultTag(id: string | null): Promise<TagDTO[]> {
+  await db.update(tagsTable).set({ isDefault: false }).where(eq(tagsTable.isDefault, true));
+  if (id) {
+    await db.update(tagsTable).set({ isDefault: true }).where(eq(tagsTable.id, id));
+  }
+  return listTags();
+}
+
+async function getDefaultTagId(): Promise<string | null> {
+  const row = await db.query.tags.findFirst({ where: eq(tagsTable.isDefault, true) });
+  return row?.id ?? null;
+}
+
 /** Full replace — the ticket ends up tagged with exactly this set. */
 export async function setTicketTags(ticketId: string, tagIds: string[]): Promise<TagDTO[]> {
  await db.delete(ticketTags).where(eq(ticketTags.ticketId, ticketId));
@@ -692,7 +777,12 @@ export async function setTicketTags(ticketId: string, tagIds: string[]): Promise

  const ticket = await db.query.tickets.findFirst({ where: eq(tickets.id, ticketId) });
  if (ticket) {
-    const dto = toTicketDTO(ticket, await customerName(ticket.customerId), await getTagsForTicket(ticketId));
+    const dto = toTicketDTO(
+      ticket,
+      await customerName(ticket.customerId),
+      await getTagsForTicket(ticketId),
+      await getAssigneeName(ticket.assigneeId),
+    );
    publishTicketEvent({ type: "ticket.updated", ticket: dto });
  }
  return getTagsForTicket(ticketId);
@@ -10,6 +10,7 @@ export interface TagDTO {
  id: string;
  name: string;
  color: TagColor;
+  isDefault: boolean;
 }

 export interface TicketDTO {
@@ -21,6 +22,7 @@ export interface TicketDTO {
  customerId: string;
  customerName: string;
  assigneeId: string | null;
+  assigneeName: string | null;
  tags: TagDTO[];
  createdAt: number;
  updatedAt: number;
@@ -32,6 +34,10 @@ export interface AttachmentDTO {
  filename: string;
  mimeType: string;
  sizeBytes: number;
+  // True for an inline image referenced from a message's bodyHtml (a cid:
+  // rewritten to this attachment's URL) — the UI uses this to skip showing
+  // it a second time as a separate chip below an already-rendered body.
+  isInline: boolean;
 }

 export interface MessageDTO {
@@ -40,8 +46,10 @@ export interface MessageDTO {
  authorType: MessageAuthorType;
  authorName: string;
  body: string;
+  bodyHtml: string | null;
  direction: MessageDirection;
  visibility: MessageVisibility;
  attachments: AttachmentDTO[];
  createdAt: number;
+  deliveryFailed: boolean;
 }
@@ -0,0 +1,10 @@
+import { defineConfig } from "vitest/config";
+import path from "node:path";
+
+export default defineConfig({
+  resolve: {
+    alias: {
+      "@": path.resolve(__dirname, "./src"),
+    },
+  },
+});
				`@@ -0,0 +1 @@`
				ALTER TABLE `tags` ADD `is_default` integer DEFAULT false NOT NULL;
				`@@ -0,0 +1 @@`
				ALTER TABLE `push_subscriptions` ADD `user_agent` text;
				`@@ -0,0 +1 @@`
				ALTER TABLE `messages` ADD `delivery_failed` integer DEFAULT false NOT NULL;
				`@@ -0,0 +1 @@`
				ALTER TABLE `mailbox_config` ADD `from_address` text;