chore: update dotfiles with new tool configs and pi settings

- Add configs for goose, herdr, ostt, fabric, zero, gnupg
- Restructure pi models.json (dupont, obelix, bianca, cloudflare)
- Update pi settings with new provider lineup, subagent overrides
- Add pi permission system, search config
- Add desktop entries (RampClient, terminal, tmux)
- Add tmux-open script, rename battery.sh -> battery
- Refactor fish config (simplify conditionals, fix nvim aliases)
- Switch worktrunk commit command from opencode to pi
- Update mise.toml with new tool symlinks
- Fix mise auth.json path reference

config/zero/config.json

@@ -0,0 +1,20 @@
+{
+  "activeProvider": "chatgpt",
+  "providers": [
+    {
+      "name": "chatgpt",
+      "provider_kind": "openai-compatible",
+      "catalogID": "chatgpt",
+      "baseURL": "https://chatgpt.com/backend-api/codex",
+      "apiFormat": "chat-completions",
+      "model": "gpt-5.5"
+    }
+  ],
+  "mcp": {},
+  "sandbox": {},
+  "notify": {},
+  "tools": {},
+  "swarm": {},
+  "preferences": {},
+  "keybindings": {}
+}