feat(handy): correct store template to nested {settings} shape; fleet wiring patch + apply recipe

live store wired 2026-10-09: provider custom -> frank-secondary @
192.168.0.143:7771, prompt default_improve_transcriptions,
post_process on, self-autostart off (niri owns it)

dotfiles/zz-blankpad/.local/share/com.pais.handy/settings_store.template.json

@@ -1,22 +1,14 @@
 {
-  "// template: Handy settings store, rewritten live by the app": true,
-  "// app rewrites live store: ~/.local/share/com.pais.handy/settings_store.json": true,
-  "// keys stay out of repo": true,
-  "autostart_enabled": false,
-  "post_process_enabled": true,
-  "provider": "custom",
-  "base_url": "http://192.168.0.143:7771/v1",
-  "model": "frank-secondary",
-  "prompt": "default_improve_transcriptions",
-  "push_to_talk": true,
-  "bindings": {
-    "transcribe": "ctrl+space",
-    "transcribe_with_post_process": "ctrl+shift+space",
-    "cancel": "escape"
+  "//": "Handy settings-store wiring patch (blankpad, 2026-10-09).",
+  "//shape": "The live store is {\"settings\": {...}}; the app rewrites it, so this file is a MERGE PATCH, not a drop-in store.",
+  "//apply": "see README.md",
+  "//knob": "frank-secondary is a thinking model: it answers via reasoning_content and leaves content empty unless chat_template_kwargs.enable_thinking=false. Handy cannot send that; the fix must live on the endpoint (see omp-docs/tools/handy.md Known issues).",
+  "settings": {
+    "post_process_enabled": true,
+    "autostart_enabled": false,
+    "post_process_provider_id": "custom",
+    "post_process_models": { "custom": "frank-secondary" },
+    "post_process_selected_prompt_id": "default_improve_transcriptions"
   },
-  "keyboard_implementation": "handy_keys",
-  "overlay_position": "bottom",
-  "overlay_style": "live",
-  "paste_method": "none",
-  "clipboard_handling": "copy_to_clipboard"
+  "custom_provider_base_url": "http://192.168.0.143:7771/v1"
 }