conjurer: add CONJURER_SELF_CALLBACK to both bots (per-origin librarian answers)

Pairs with conjurer#18: each bot advertises its own callback so the shared
librarian answers results/pongs back to the bot that asked - test bot
http://192.168.1.73:32442, deploy bot :32443. No CONJURER_MAIN_BOT
repointing needed for the librarian anymore; DEPLOY-BOT.md updated (only
the musician stays single-target).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

conjurer/DEPLOY-BOT.md

@@ -68,8 +68,14 @@ tar xzf snapshots/deploy-state-2026-08-03-0417.tgz -C /mnt/.../deploy-bot/data/
 
 ## Routing librarian / musician callbacks
 
-The librarian (`CONJURER_MAIN_BOT`) and musician push search results and
+**Librarian — handled automatically.** Each bot advertises its own
-"now playing" events to **one** bot address — currently the test bot's
+`CONJURER_SELF_CALLBACK` (test `…:32442`, this bot `…:32443`) on every query and
-`192.168.1.73:32442`. To make **this** bot receive them, repoint those services'
+ping, and the librarian answers each result/pong back to the bot that asked. One
-`CONJURER_MAIN_BOT` to `192.168.1.73:32443` (this bot's NodePort). Only one bot
+librarian serves both bots — no `CONJURER_MAIN_BOT` repointing needed. (The
-can receive them at a time.
+librarian keeps `CONJURER_MAIN_BOT: http://bot:5000` only as a fallback for a bot
+that doesn't send a callback.)
+
+**Musician — still single-target.** The musician pushes "now playing" events to
+its one `CONJURER_MAIN_BOT` (currently the test bot, `192.168.1.73:32442`). Only
+one bot gets radio events; repoint the musician's `CONJURER_MAIN_BOT` to
+`192.168.1.73:32443` if the production bot should show them instead.

conjurer/bot.yaml

@@ -28,6 +28,9 @@ spec:
             - { name: CONJURER_FILE_SERVICE,     value: "http://192.168.1.89:5000" }
 
             - { name: CONJURER_RADIO_HARBOR,      value: "http://192.168.1.79:54321" }
+            # Where the librarian sends THIS bot's results/pongs back to (its own
+            # NodePort). Lets one librarian serve both bots - see deploy-bot.yaml.
+            - { name: CONJURER_SELF_CALLBACK,     value: "http://192.168.1.73:32442" }
           volumeMounts:
             - { name: data,  mountPath: /data }
             - { name: netrc, mountPath: /secrets, readOnly: true }

conjurer/deploy-bot.yaml

@@ -43,6 +43,10 @@ spec:
             - { name: CONJURER_RADIO_SERVICE,     value: "http://192.168.1.79:5005" }
             - { name: CONJURER_FILE_SERVICE,      value: "http://192.168.1.89:5000" }
             - { name: CONJURER_RADIO_HARBOR,      value: "http://192.168.1.79:54321" }
+            # This bot's own callback (its NodePort). The librarian records it per
+            # query and answers results/pongs HERE - so it serves this bot AND the
+            # test bot from one instance, no CONJURER_MAIN_BOT repointing needed.
+            - { name: CONJURER_SELF_CALLBACK,     value: "http://192.168.1.73:32443" }
           volumeMounts:
             - { name: data,  mountPath: /data }
             - { name: netrc, mountPath: /secrets, readOnly: true }