chore: merge wave 1 (plan 11-01) with conflict resolution

package.json

@@ -35,9 +35,6 @@
     "@agentcompany/adapter-codex-local": "workspace:*",
     "@agentcompany/adapter-gemini-local": "workspace:*",
     "@agentcompany/adapter-utils": "workspace:*",
-    "@fontsource-variable/inter": "^5.2.8",
-    "@fontsource-variable/jetbrains-mono": "5.2.8",
-    "@fontsource/instrument-serif": "^5.2.8",
     "@phosphor-icons/react": "2.1.10",
     "@tanstack/react-virtual": "^3.13.23",
     "clsx": "2.1.1",