docs: comprehensive update all docs to v0.0.46

11 files updated to reflect current state (v0.0.22 → v0.0.46):

ARCHITECTURE.md:
- Ring tones, group calls, read receipts, markdown rendering sections
- Bot API expanded (BotFather, numeric IDs, Telegram compat)
- Admin commands, known issues, 155 tests

TASK_PLAN.md:
- All P1-P4 marked DONE with version numbers
- Additional completed work section (bots, ETH, ring tones, group calls)
- New FC-P7 (Voice & Transport): cpal, Sender Keys, WebTransport
- FC-P6-T9/T10 added

PROGRESS.md:
- Full version history table v0.0.22 through v0.0.46
- Known issues section

README.md:
- Voice calls, ring tones, group calls, read receipts, markdown, 155 tests

SECURITY.md:
- Bot API security, voice call security, admin commands sections
- Updated protection tables

USAGE.md:
- Group calls, read receipts, markdown formatting, admin commands

CLIENT.md:
- Call commands, read receipts, markdown rendering

LLM_HELP.md + LLM_BOT_DEV.md:
- Call/group call/admin commands, ring tones, per-bot numeric IDs

TESTING_E2E.md:
- Tests 16-18: ring tones, group calls, admin commands

CLAUDE.md:
- Ring tone notes, group signal endpoint, MLS roadmap

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

warzone/docs/LLM_HELP.md

@@ -30,6 +30,17 @@ cmd | action | example
 /gleave | leave current group | /gleave
 /gkick <fp> | kick member (creator only) | /gkick abc123
 /gmembers | list group members + status | /gmembers
+/call | start voice call with current peer | /call
+/call <addr> | start voice call with specific peer | /call @alice
+/accept | accept incoming call | /accept
+/reject | reject incoming call | /reject
+/hangup | end current call | /hangup
+/gcall | start group voice call in current group | /gcall
+/gjoin | join active group call | /gjoin
+/gleave-call | leave group call (stay in group) | /gleave-call
+/gmute | toggle mute in group call | /gmute
+/admin-calls | list active calls on server (admin) | /admin-calls
+/admin-help | show admin commands (admin) | /admin-help
 /file <path> | send file (max 10MB, 64KB chunks) | /file ./doc.pdf
 /quit, /q | exit | /q
 
@@ -229,6 +240,46 @@ cmd | action | example
 /reject | reject incoming call | /reject
 /hangup | end current call | /hangup
 
+### Relay Config Flow
+
+1. Client calls `GET /v1/wzp/relay-config` with bearer token
+2. Server validates auth, issues a short-lived WZP token
+3. Response: `{"relay_addr":"host:port","token":"..."}`
+4. Client opens WebSocket to `ws://relay_addr` with the WZP token
+5. Audio frames flow over the WebSocket via the wzp-web bridge
+
+### Ring Tones
+
+Ring tones play automatically using the Web Audio API (oscillator-based, no audio files):
+- **Outgoing call**: caller hears a ringback tone (repeating double beep) while waiting for answer
+- **Incoming call**: callee hears a ringing tone (classic ring pattern) until they accept/reject
+- Both tones stop immediately on answer, reject, or hangup
+- TUI clients receive a terminal bell on incoming call (no audio playback)
+
+### Group Calls
+
+Group voice calls use the same WZP relay infrastructure but with room-based routing:
+
+```
+Members A,B,C <--WS--> wzp-web <--QUIC--> wzp-relay (room: group:<group_name>)
+```
+
+- `/gcall` signals all group members via the group signal endpoint (`POST /v1/groups/:name/signal`)
+- Room name format: `group:<group_name>` (e.g., `group:ops`)
+- Any member can `/gjoin` an active group call
+- `/gleave-call` leaves the audio room but stays in the text group
+- `/gmute` toggles local mic mute (no server-side mixing)
+- Group calls are transport-encrypted only; MLS (RFC 9420) E2E planned
+
+### Admin Commands
+
+cmd | action | example
+--- | --- | ---
+/admin-calls | show all active calls on the server | /admin-calls
+/admin-help | list available admin commands | /admin-help
+
+Admin commands require server-side admin privilege (configured per-fingerprint).
+
 ## Server API (other endpoints)
 
 - POST /v1/register -- upload prekey bundle