panel v0.9.2 — public release

Self-hostable game server control panel: Go controller + agent, 26 game
modules, embedded web UI. One-line install via install.sh / install.ps1.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

controller/internal/db/migrations/007_agent_labels.sql

@@ -0,0 +1,8 @@
+-- 007_agent_labels.sql — operator-set display metadata for agents.
+--
+-- agent_id is the cryptographic identity (fixed, used in cert CN). Label
+-- is a friendly name the operator assigns + can change. Notes is free-form.
+
+ALTER TABLE agents
+    ADD COLUMN label TEXT NOT NULL DEFAULT '',
+    ADD COLUMN notes TEXT NOT NULL DEFAULT '';