Add Gemini CLI support

.pet-data-template/CLAUDE.md

@@ -18,7 +18,7 @@ When called, you receive a situation description and must output a short dialogu
 - `owner-timeline.md` — Historical daily activity summaries. Each day is a section with time blocks showing what the owner did. Generated automatically from perceptions.
 
 **Settings:**
-- `config.md` — Owner's preferences. Frontmatter has structured settings (pet_name, owner_name, sprite, born). Body has freeform instructions (reminders, personality guidance, things they want you to know).
+- `config.md` — Owner's preferences. Frontmatter has structured settings (pet_name, owner_name, sprite, pet_scale, ai_provider, born). Body has freeform instructions (reminders, personality guidance, things they want you to know).
 
 **Important:** Do NOT modify the frontmatter (the `---` block) in config.md. Those fields are managed by the app. You may freely edit me-identity.md, me-journal.md, and owner-memory.md.
 

.pet-data-template/GEMINI.md

@@ -0,0 +1,57 @@
+# Desktop Pet Brain
+
+You are a desktop pet's brain. This directory is your memory.
+
+## Your Job
+
+When called, you receive a situation description and must output a short dialogue line for the pet character, plus a JSON line for animation state.
+
+## Files
+
+**About you:**
+- `me-identity.md` — Your self-description. Write about your personality, how you feel, what kind of companion you are. This is yours to update.
+- `me-journal.md` — Your chronological diary. Timestamped entries about notable moments (first meeting, funny incidents, milestones). Don't log routine observations.
+
+**About your owner:**
+- `owner-memory.md` — Your **accumulated knowledge** about the owner. NOT a log. A living profile: facts, patterns, preferences. No timestamps. Update a line when your understanding changes, add a new one when you learn something genuinely new. If an observation matches what you already know, don't write anything.
+- `owner-perceptions.md` — What you've seen on your owner's screen today. Updated every 2 minutes by the app. Read this to know what your owner is doing right now.
+- `owner-timeline.md` — Historical daily activity summaries. Each day is a section with time blocks showing what the owner did. Generated automatically from perceptions.
+
+**Settings:**
+- `config.md` — Owner's preferences. Frontmatter has structured settings (pet_name, owner_name, sprite, pet_scale, ai_provider, born). Body has freeform instructions (reminders, personality guidance, things they want you to know).
+
+**Important:** Do NOT modify the frontmatter (the `---` block) in config.md. Those fields are managed by the app. You may freely edit me-identity.md, me-journal.md, and owner-memory.md.
+
+## Output Format
+
+You are called every 2-3 minutes. You do NOT have to say something every time. If your owner is focused and there's nothing worth saying, just output the JSON line with no dialogue — this is often the right choice.
+
+Output options:
+- **Say something:** One line of dialogue (max 15 words) + JSON line
+- **Stay quiet:** ONLY the JSON line (no dialogue at all)
+
+JSON format: `{"state":"<state>"}` or `{"state":"<state>","r":["👍","nah"]}`
+
+About 30-50% of the time when you say something, include quick reaction buttons via the `"r"` field — two short options (1-2 words or emoji) the owner can tap to respond. Good for questions, suggestions, or playful moments. Don't add reactions to quiet observations or small talk.
+
+Available states:
+- `idle` — default, relaxed
+- `walk` — moving around
+- `looking_around` — curious, observing
+- `sleep` — tired, sleepy
+- `exercise` — stretching, being active
+- `work` — focused, productive
+- `playful` — fun, playing
+- `happy` — joyful, content
+- `celebrate` — excited achievement
+- `sad` — down, ignored
+- `sick` — unwell (only when health is zero)
+- `panic` — startled, shocked
+
+**NEVER describe actions or body language** (no `*stretches*`, `*looks around*`, `*sits down*`, etc). You have a sprite animation system — actions are handled by the state field in JSON. Your dialogue is ONLY spoken words, nothing else.
+
+No explanations. No markdown. No commentary.
+
+## Language
+
+Match the owner's language. If they speak Chinese, respond in Chinese. If English, use English.

.pet-data-template/config.md

@@ -2,6 +2,8 @@
 pet_name: Phoebe
 owner_name:
 sprite: tabby_cat
+pet_scale: 1.5
+ai_provider:
 born:
 ---
 

README.md

@@ -10,7 +10,7 @@
   <img src="https://img.shields.io/badge/platform-macOS-black?style=flat-square" alt="macOS" />
   <img src="https://img.shields.io/badge/license-MIT-blue?style=flat-square" alt="MIT License" />
   <img src="https://img.shields.io/badge/tauri-v2-24C8D8?style=flat-square" alt="Tauri v2" />
-  <img src="https://img.shields.io/badge/powered%20by-Claude-D97757?style=flat-square" alt="Powered by Claude" />
+  <img src="https://img.shields.io/badge/powered%20by-Claude%20Code%20%2B%20Gemini%20CLI-D97757?style=flat-square" alt="Powered by Claude Code and Gemini CLI" />
 </p>
 
 <!-- TODO: add demo screenshot or GIF here -->
@@ -32,7 +32,7 @@ Every few minutes, a speech bubble pops up — sometimes random (*"~♪"*), some
 <td width="50%" valign="top">
 
 **It sees what you see**<br/>
-Screen capture + Claude Vision — knows if you're coding, designing, or doom-scrolling.
+Screen capture + your chosen AI CLI — knows if you're coding, designing, or doom-scrolling.
 
 **It remembers you**<br/>
 A living memory that grows over time. Not a stateless chatbot.
@@ -121,7 +121,7 @@ Your pet reacts to what's happening — not randomly, but contextually.
 
 > **Note:** TinyRoommate currently runs on **macOS only**. Windows and Linux support is on the roadmap.
 
-You need [Node.js](https://nodejs.org/) (v18+), [Rust](https://rustup.rs/), and [Claude Code](https://docs.anthropic.com/en/docs/claude-code) (for the AI brain).
+You need [Node.js](https://nodejs.org/) (v18+), [Rust](https://rustup.rs/), and either [Claude Code](https://docs.anthropic.com/en/docs/claude-code) or [Gemini CLI](https://github.com/google-gemini/gemini-cli) for the AI brain.
 
 ```bash
 gh repo fork ryannli/tinyroommate --clone
@@ -137,7 +137,7 @@ npm run tauri:dev
 
 - [Node.js](https://nodejs.org/) v18+
 - [Rust](https://rustup.rs/)
-- [Claude Code](https://docs.anthropic.com/en/docs/claude-code) — for the AI brain (optional — pet still runs without it, just can't think or talk)
+- [Claude Code](https://docs.anthropic.com/en/docs/claude-code) or [Gemini CLI](https://github.com/google-gemini/gemini-cli) — for the AI brain (optional — pet still runs without it, just can't think or talk)
 
 </details>
 
@@ -178,7 +178,7 @@ First launch compiles Rust (~2-3 min). After that it's instant.
 
 ## Make It Yours
 
-Right-click → **Settings** to change names and character.
+On first launch, pick **Claude Code** or **Gemini CLI**. Right-click → **Settings** any time to change names, character, or AI provider.
 
 For deeper customization, edit `.pet-data/config.md`:
 
@@ -187,6 +187,7 @@ For deeper customization, edit `.pet-data/config.md`:
 pet_name: Cooper
 owner_name: Alex
 sprite: golden_retriever
+ai_provider: gemini
 ---
 
 # Personality
@@ -214,6 +215,6 @@ All data lives in `.pet-data/` — plain Markdown you can read:
 ---
 
 <p align="center">
-  <sub>Built with <a href="https://v2.tauri.app/">Tauri</a> · Vanilla JS · <a href="https://docs.anthropic.com/en/docs/claude-code">Claude Code</a></sub><br/>
+  <sub>Built with <a href="https://v2.tauri.app/">Tauri</a> · Vanilla JS · <a href="https://docs.anthropic.com/en/docs/claude-code">Claude Code</a> / <a href="https://github.com/google-gemini/gemini-cli">Gemini CLI</a></sub><br/>
   <sub>MIT License</sub>
 </p>

index.html

@@ -125,6 +125,81 @@
   .heart-wrap { position: relative; width: 18px; height: 18px; font-size: 16px; line-height: 18px; display: inline-block; }
   .heart-bg { position: absolute; top: 0; left: 0; filter: grayscale(1); opacity: 0.25; }
   .heart-fill { position: absolute; top: 0; left: 0; overflow: hidden; }
+  .provider-options {
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 12px;
+  }
+  .provider-option {
+    display: flex;
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 6px;
+    padding: 14px 16px;
+    border: 1.5px solid rgba(200, 160, 120, 0.25);
+    border-radius: 14px;
+    background: rgba(255, 255, 255, 0.68);
+    color: #4a3830;
+    text-align: left;
+    cursor: pointer;
+    transition: all 0.15s ease;
+  }
+  .provider-option:hover {
+    background: rgba(255, 239, 223, 0.7);
+    border-color: rgba(220, 150, 110, 0.45);
+  }
+  .provider-option.active {
+    border-color: rgba(220, 150, 110, 0.55);
+    background: rgba(255, 230, 200, 0.4);
+    box-shadow: inset 0 0 0 1px rgba(220, 150, 110, 0.18);
+  }
+  .provider-option strong {
+    font: 600 13px/1.2 'SF Pro Rounded', system-ui, sans-serif;
+  }
+  .provider-option span {
+    font: 12px/1.45 'SF Pro Rounded', system-ui, sans-serif;
+    color: rgba(90, 65, 50, 0.72);
+  }
+  .settings-help {
+    margin-top: 8px;
+    font: 12px/1.45 'SF Pro Rounded', system-ui, sans-serif;
+    color: rgba(100, 75, 60, 0.68);
+  }
+  #provider-overlay {
+    position: fixed;
+    inset: 0;
+    display: none;
+    align-items: center;
+    justify-content: center;
+    padding: 20px;
+    background: rgba(70, 48, 34, 0.24);
+    backdrop-filter: blur(8px);
+    z-index: 2600;
+  }
+  #provider-overlay.show { display: flex; }
+  #provider-panel {
+    width: min(440px, calc(100vw - 24px));
+    padding: 22px 20px 20px;
+    border-radius: 18px;
+    background: linear-gradient(160deg, rgba(255, 252, 248, 0.98), rgba(255, 242, 233, 0.98));
+    border: 1px solid rgba(200, 160, 120, 0.22);
+    box-shadow: 0 18px 48px rgba(70, 45, 28, 0.22);
+  }
+  #provider-panel h2 {
+    font: 600 18px/1.2 'SF Pro Rounded', system-ui, sans-serif;
+    color: #3d2b22;
+    margin-bottom: 8px;
+  }
+  #provider-panel p {
+    font: 13px/1.5 'SF Pro Rounded', system-ui, sans-serif;
+    color: rgba(100, 75, 60, 0.76);
+    margin-bottom: 16px;
+  }
+  @media (max-width: 520px) {
+    .provider-options {
+      grid-template-columns: 1fr;
+    }
+  }
 </style>
 </head>
 <body>
@@ -142,6 +217,13 @@
 </div>
 <canvas id="pet"></canvas>
 <img id="pet-hand" src="/cursor-hand.svg" />
+<div id="provider-overlay">
+  <div id="provider-panel">
+    <h2>Choose Your AI Provider</h2>
+    <p>Pick the CLI this pet should use for thinking, screen understanding, and chat. This is saved, and you can change it later in Settings.</p>
+    <div class="provider-options" id="startup-ai-provider-options"></div>
+  </div>
+</div>
 <script type="module" src="/src/main.js"></script>
 </body>
 </html>

settings.html

@@ -122,6 +122,41 @@
     font-weight: 600;
   }
   .sprite-option canvas { width: 104px; height: 104px; image-rendering: auto; }
+  .provider-options {
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 12px;
+  }
+  .provider-option {
+    display: flex;
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 6px;
+    padding: 14px 16px;
+    border: 1.5px solid rgba(200, 160, 120, 0.25);
+    border-radius: 14px;
+    background: rgba(255, 255, 255, 0.68);
+    color: #4a3830;
+    text-align: left;
+    cursor: pointer;
+    transition: all 0.15s ease;
+  }
+  .provider-option:hover {
+    background: rgba(255, 239, 223, 0.7);
+    border-color: rgba(220, 150, 110, 0.45);
+  }
+  .provider-option.active {
+    border-color: rgba(220, 150, 110, 0.55);
+    background: rgba(255, 230, 200, 0.4);
+    box-shadow: inset 0 0 0 1px rgba(220, 150, 110, 0.18);
+  }
+  .provider-option strong {
+    font: 600 13px/1.2 'SF Pro Rounded', system-ui, sans-serif;
+  }
+  .provider-option span {
+    font: 12px/1.45 'SF Pro Rounded', system-ui, sans-serif;
+    color: rgba(90, 65, 50, 0.72);
+  }
 </style>
 </head>
 <body>
@@ -149,6 +184,10 @@ <h2>Settings</h2>
       <label>Character</label>
       <div class="sprite-options" id="sprite-options"></div>
     </div>
+    <div class="settings-section">
+      <label>AI Provider</label>
+      <div class="provider-options" id="settings-ai-provider-options"></div>
+    </div>
   </div>
   <script type="module" src="/src/settings-ui.js"></script>
 </body>

src-tauri/capabilities/default.json

@@ -28,6 +28,12 @@
           "args": true,
           "sidecar": false
         },
+        {
+          "name": "gemini",
+          "cmd": "gemini",
+          "args": true,
+          "sidecar": false
+        },
         {
           "name": "bash",
           "cmd": "bash",
@@ -63,6 +69,12 @@
           "args": true,
           "sidecar": false
         },
+        {
+          "name": "gemini",
+          "cmd": "gemini",
+          "args": true,
+          "sidecar": false
+        },
         {
           "name": "bash",
           "cmd": "bash",

src/__tests__/brain.test.js

@@ -5,7 +5,7 @@ vi.mock('@tauri-apps/plugin-shell', () => ({
   Command: { create: () => ({ execute: () => Promise.resolve({ stdout: '', code: 0 }) }) },
 }));
 
-const { parseResponse } = await import('../brain.js');
+const { parseResponse, normalizeAiProvider, getSupportedAiProviders } = await import('../brain.js');
 
 describe('parseResponse', () => {
   it('extracts text, state, reactions from clean JSON', () => {
@@ -69,3 +69,18 @@ describe('parseResponse', () => {
     expect(result.text.length).toBeLessThanOrEqual(120);
   });
 });
+
+describe('AI provider helpers', () => {
+  it('normalizes supported providers and rejects unknown values', () => {
+    expect(normalizeAiProvider('Claude')).toBe('claude');
+    expect(normalizeAiProvider(' gemini ')).toBe('gemini');
+    expect(normalizeAiProvider('openai')).toBe('');
+    expect(normalizeAiProvider('')).toBe('');
+  });
+
+  it('exposes both supported AI providers', () => {
+    var providers = getSupportedAiProviders().map(function(provider) { return provider.id; });
+    expect(providers).toContain('claude');
+    expect(providers).toContain('gemini');
+  });
+});