feat: security hardening, streaming overhaul, design polish, tests

Security:
- Replace unsalted SHA-256 password hashing with bcrypt (lazy rehash on login)
- Add authenticated /api/xtream-api gateway: Xtream credentials are injected
  server-side and never sent to the frontend; /api/playlists no longer
  returns passwords
- Redact credentials from all logs (login body, proxy/FFmpeg/scheduler URLs)
- Add auth to recordings, EPG, season-passes and streaming routes
  (HttpOnly session cookie for hls.js; loopback bypass for local FFmpeg)
- Lock player postMessage to same-origin in both directions
- Vendor and pin hls.js 1.6.7 / mpegts.js 1.7.3 (drop CDN @latest)
- Fix rate limiter (client IP was never resolved), add login rate limit,
  restrict CORS, add CSP Report-Only, block private-IP SSRF targets,
  fix path traversal in recording log retrieval, chmod 777 -> 770
- Remove dead HiveService (seeded admin/admin into IndexedDB with SHA-256)
- Fix authMiddleware not populating 'user' context (getPlaylist ignored the
  logged-in user; admin purge always returned 403)

Streaming:
- New FfmpegSessionManager: process registry, idle reaper (4 min live /
  15 min VOD), orphan cleanup at startup, clean SIGTERM shutdown,
  fast-fail with stderr instead of 30 s timeout
- Quality selection (source/high/medium/low) for live and VOD; source mode
  streams with -c:v copy (zero transcoding); selector wired into the player
- Concurrent recordings (MAX_CONCURRENT_RECORDINGS, default 2); conflicts
  retry on the next tick instead of silently failing
- Lower live latency (HLS window 20 -> 10 segments, liveSync 10 -> 3)
- Fix recording log lookup (.mp4 vs .mkv mismatch)

Design:
- Replace hardcoded colors with AppColors tokens (12 files)
- web/theme.css syncs HTML players with the Flutter palette
- DPAD/keyboard navigation (arrow-key focus, player shortcuts)
- Tooltips on player icon buttons, Semantics on content cards
- Remove 7 dead widgets broken since the Stitch merge

Quality:
- bin/test/: 21 unit tests (bcrypt, redaction, traversal, SSRF, recording
  conflicts) plus a quality-selector widget test
- GitHub Actions CI (analyze + test + build web)
- Archive stale status docs into docs/archive/

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

AGENTS.md

@@ -0,0 +1,133 @@
+<!-- rtk-instructions v2 -->
+# RTK (Rust Token Killer) - Token-Optimized Commands
+
+## Golden Rule
+
+**Always prefix commands with `rtk`**. If RTK has a dedicated filter, it uses it. If not, it passes through unchanged. This means RTK is always safe to use.
+
+**Important**: Even in command chains with `&&`, use `rtk`:
+```bash
+# ❌ Wrong
+git add . && git commit -m "msg" && git push
+
+# ✅ Correct
+rtk git add . && rtk git commit -m "msg" && rtk git push
+```
+
+## RTK Commands by Workflow
+
+### Build & Compile (80-90% savings)
+```bash
+rtk cargo build         # Cargo build output
+rtk cargo check         # Cargo check output
+rtk cargo clippy        # Clippy warnings grouped by file (80%)
+rtk tsc                 # TypeScript errors grouped by file/code (83%)
+rtk lint                # ESLint/Biome violations grouped (84%)
+rtk prettier --check    # Files needing format only (70%)
+rtk next build          # Next.js build with route metrics (87%)
+```
+
+### Test (90-99% savings)
+```bash
+rtk cargo test          # Cargo test failures only (90%)
+rtk vitest run          # Vitest failures only (99.5%)
+rtk playwright test     # Playwright failures only (94%)
+rtk test <cmd>          # Generic test wrapper - failures only
+```
+
+### Git (59-80% savings)
+```bash
+rtk git status          # Compact status
+rtk git log             # Compact log (works with all git flags)
+rtk git diff            # Compact diff (80%)
+rtk git show            # Compact show (80%)
+rtk git add             # Ultra-compact confirmations (59%)
+rtk git commit          # Ultra-compact confirmations (59%)
+rtk git push            # Ultra-compact confirmations
+rtk git pull            # Ultra-compact confirmations
+rtk git branch          # Compact branch list
+rtk git fetch           # Compact fetch
+rtk git stash           # Compact stash
+rtk git worktree        # Compact worktree
+```
+
+Note: Git passthrough works for ALL subcommands, even those not explicitly listed.
+
+### GitHub (26-87% savings)
+```bash
+rtk gh pr view <num>    # Compact PR view (87%)
+rtk gh pr checks        # Compact PR checks (79%)
+rtk gh run list         # Compact workflow runs (82%)
+rtk gh issue list       # Compact issue list (80%)
+rtk gh api              # Compact API responses (26%)
+```
+
+### JavaScript/TypeScript Tooling (70-90% savings)
+```bash
+rtk pnpm list           # Compact dependency tree (70%)
+rtk pnpm outdated       # Compact outdated packages (80%)
+rtk pnpm install        # Compact install output (90%)
+rtk npm run <script>    # Compact npm script output
+rtk npx <cmd>           # Compact npx command output
+rtk prisma              # Prisma without ASCII art (88%)
+```
+
+### Files & Search (60-75% savings)
+```bash
+rtk ls <path>           # Tree format, compact (65%)
+rtk read <file>         # Code reading with filtering (60%)
+rtk grep <pattern>      # Search grouped by file (75%)
+rtk find <pattern>      # Find grouped by directory (70%)
+```
+
+### Analysis & Debug (70-90% savings)
+```bash
+rtk err <cmd>           # Filter errors only from any command
+rtk log <file>          # Deduplicated logs with counts
+rtk json <file>         # JSON structure without values
+rtk deps                # Dependency overview
+rtk env                 # Environment variables compact
+rtk summary <cmd>       # Smart summary of command output
+rtk diff                # Ultra-compact diffs
+```
+
+### Infrastructure (85% savings)
+```bash
+rtk docker ps           # Compact container list
+rtk docker images       # Compact image list
+rtk docker logs <c>     # Deduplicated logs
+rtk kubectl get         # Compact resource list
+rtk kubectl logs        # Deduplicated pod logs
+```
+
+### Network (65-70% savings)
+```bash
+rtk curl <url>          # Compact HTTP responses (70%)
+rtk wget <url>          # Compact download output (65%)
+```
+
+### Meta Commands
+```bash
+rtk gain                # View token savings statistics
+rtk gain --history      # View command history with savings
+rtk discover            # Analyze Codex sessions for missed RTK usage
+rtk proxy <cmd>         # Run command without filtering (for debugging)
+rtk init                # Add RTK instructions to AGENTS.md
+rtk init --global       # Add RTK to ~/.Codex/AGENTS.md
+```
+
+## Token Savings Overview
+
+| Category | Commands | Typical Savings |
+|----------|----------|-----------------|
+| Tests | vitest, playwright, cargo test | 90-99% |
+| Build | next, tsc, lint, prettier | 70-87% |
+| Git | status, log, diff, add, commit | 59-80% |
+| GitHub | gh pr, gh run, gh issue | 26-87% |
+| Package Managers | pnpm, npm, npx | 70-90% |
+| Files | ls, read, grep, find | 60-75% |
+| Infrastructure | docker, kubectl | 85% |
+| Network | curl, wget | 65-70% |
+
+Overall average: **60-90% token reduction** on common development operations.
+<!-- /rtk-instructions -->