docs: refresh and simplify docs

docs/concepts/agent-loop.md

@@ -5,11 +5,11 @@ read_when:
 ---
 # Agent Loop (Clawdis)
 
-Short, exact flow of one agent run. Source of truth: current code in `src/`.
+Short, exact flow of one agent run.
 
 ## Entry points
-- Gateway RPC: `agent` and `agent.wait` in [`src/gateway/server-methods/agent.ts`](https://github.com/clawdbot/clawdbot/blob/main/src/gateway/server-methods/agent.ts).
-- CLI: `agentCommand` in [`src/commands/agent.ts`](https://github.com/clawdbot/clawdbot/blob/main/src/commands/agent.ts).
+- Gateway RPC: `agent` and `agent.wait`.
+- CLI: `agent` command.
 
 ## High-level flow
 1) `agent` RPC validates params, resolves session (sessionKey/sessionId), persists session metadata, returns `{ runId, acceptedAt }` immediately.
@@ -37,10 +37,8 @@ Short, exact flow of one agent run. Source of truth: current code in `src/`.
 - `tool`: streamed tool events from pi-agent-core
 
 ## Chat provider handling
-- `createAgentEventHandler` in [`src/gateway/server-chat.ts`](https://github.com/clawdbot/clawdbot/blob/main/src/gateway/server-chat.ts):
-  - buffers assistant deltas
-  - emits chat `delta` messages
-  - emits chat `final` when **lifecycle end/error** arrives
+- Assistant deltas are buffered into chat `delta` messages.
+- A chat `final` is emitted on **lifecycle end/error**.
 
 ## Timeouts
 - `agent.wait` default: 30s (just the wait). `timeoutMs` param overrides.
@@ -51,11 +49,3 @@ Short, exact flow of one agent run. Source of truth: current code in `src/`.
 - AbortSignal (cancel)
 - Gateway disconnect or RPC timeout
 - `agent.wait` timeout (wait-only, does not stop agent)
-
-## Files
-- [`src/gateway/server-methods/agent.ts`](https://github.com/clawdbot/clawdbot/blob/main/src/gateway/server-methods/agent.ts)
-- [`src/gateway/server-methods/agent-job.ts`](https://github.com/clawdbot/clawdbot/blob/main/src/gateway/server-methods/agent-job.ts)
-- [`src/commands/agent.ts`](https://github.com/clawdbot/clawdbot/blob/main/src/commands/agent.ts)
-- [`src/agents/pi-embedded-runner.ts`](https://github.com/clawdbot/clawdbot/blob/main/src/agents/pi-embedded-runner.ts)
-- [`src/agents/pi-embedded-subscribe.ts`](https://github.com/clawdbot/clawdbot/blob/main/src/agents/pi-embedded-subscribe.ts)
-- [`src/gateway/server-chat.ts`](https://github.com/clawdbot/clawdbot/blob/main/src/gateway/server-chat.ts)