feat(quill): assistant crow Quill — addressable service role with persona reply (#38)

EVENTS.md

@@ -94,14 +94,14 @@ Jev choice-tags every posted message (`kind` question). Above its high band, Jev
 - `POST /api/lists` returns 202. Bad input returns 400 with `{"message"}`.
 - `POST /api/verdicts` returns 404 when nothing is waiting (including a second answer), 400 for a bad body. `approve` is required, so a missing value is never read as a no.
 - When trust skips approval, the server still emits `verdict: "auto"`, so every target gets exactly one verdict.
-- `crow.flying` and `crow.landed` fire for the Sentry and Elder too.
+- `crow.flying` and `crow.landed` fire for the Sentry, Elder and Quill too.
 - `requester.pranked` goes to every list of that requester's still flying; if none, only the 429 is sent.
 - Each SSE message carries an `id:` line, so clients can reconnect with `Last-Event-ID`. Heartbeat comment every 15 seconds.
 - The server listens on localhost only by default. There is no login yet, and requester names are self-asserted.
 
 ## Nests
 
-A nest is a room where a team of crows works together. You create a nest and pick its core crows; when a job needs more crows than the core has, the Sentry borrows from the rest of the flock. The Sentry and Elder serve every nest and are never core members.
+A nest is a room where a team of crows works together. You create a nest and pick its core crows; when a job needs more crows than the core has, the Sentry borrows from the rest of the flock. The Sentry, Elder and Quill serve every nest and are never core members. Quill (assistant crow, CHATROOM_SPEC section 6) answers `request` messages addressed to it with one `deliver` from Quill to the requester.
 
 - The default nest is `todo`, with an empty core: its crows come from the whole flock, so nothing there is ever "borrowed".
 - Crows are picked core-first (rotating within the core), then borrowed from outside it (rotating), still capped by the flock guardrails.
@@ -109,7 +109,7 @@ A nest is a room where a team of crows works together. You create a nest and pic
 
 | Method | Path | Body | Returns |
 |---|---|---|---|
-| GET | `/api/nests` | | `{"roster": ["Hugin", ...], "nests": [{"nest_id", "name", "crows": [...]}]}`; roster is the 8 crows (not Sentry or Elder) |
+| GET | `/api/nests` | | `{"roster": ["Hugin", ...], "nests": [{"nest_id", "name", "crows": [...]}]}`; roster is the 8 working crows (not Sentry, Elder or Quill) |
 | POST | `/api/nests` | `{"name": "Launch copy", "crows": ["Pepper", "Inky"]}` | 201 with the nest; 400 with `{"message"}` if invalid |
 | POST | `/api/lists` | adds optional `"nest_id"` (default `todo`) | 404 with `{"message"}` for an unknown nest |
 
@@ -117,7 +117,7 @@ Guardrails: name 1–40 characters after trimming; `nest_id` is a slug of the na
 
 Event changes:
 - `list.started` adds `nest_id`.
-- `crow.flying` adds `borrowed` (bool): true when the crow is not in the nest's core. Always false for Sentry, Elder, and the `todo` nest.
+- `crow.flying` adds `borrowed` (bool): true when the crow is not in the nest's core. Always false for Sentry, Elder, Quill, and the `todo` nest.
 
 ## Personas and banter