Web4PR v0.10.0

• fix: resolve production build type errors
• chore: move spec docs to docs/, remove worktrees, tidy root
• refactor: replace WS if/elif chain with handler dispatch map (S2A)
• refactor: extract TransferCoordinator from SessionManager (S1C)
• Merge branch 'worktree-s3-appvue-cleanup'
• refactor: extract App.vue composables and SessionPanel component (S3)
• Merge branch 'worktree-s5-ws-message-constants'
• refactor: extract WebSocket message type constants (S5)
• Merge branch 'worktree-s6-fastapi-di'
• refactor: replace global state with FastAPI Depends() injection (S6)
• Merge branch 'worktree-s4-python-enums'
• refactor: add FrameType and TransferState enums (S4)
• fix: enforce globally unique SSIDs across all sessions
• Merge branch 'worktree-agent-a7041574'
• Merge branch 'worktree-agent-acdd2f49'
• Merge branch 'worktree-agent-abf5bf82'
• Merge branch 'worktree-agent-a25508ff'
• fix: session cap based on max_channels only, improve SSID pool migration
• Merge branch 'worktree-agent-a29160e1'
• feat: settings dialog — SSID pool, terminal config, monitor filters
• feat: fixed tab slot model with persistent session assignment
• feat: split terminal — receive pane, input pane, resize handle
• feat: theme-aware text category and monitor colors
• feat: backend config models, SSID pool, monitor filtering
• chore: code quality round 2 — DRY fixes across frontend and backend
• fix: AutoBin CRC-32, checksum field, and first-frame data corruption
• docs: add AXUDP protocol notes and aioax25 bug8 analysis
• chore: update uv.lock