feat: Add gemini-3-pro-low model, refine Gemini model aliases, and include a token acquisition guide in the README.

README.md

@@ -1,9 +1,3 @@
-<h1 align="center">ZeroGravity</h1>
-
-<p align="center">
-  <img src="assets/logo.png" alt="ZeroGravity" width="200" />
-</p>
-
 <p align="center">
   <img src="https://img.shields.io/badge/rust-1.75+-555?style=flat-square&logo=rust&logoColor=white" alt="Rust" />
   <img src="https://img.shields.io/badge/platform-linux%20%7C%20macos%20%7C%20windows-555?style=flat-square" alt="Platform" />
@@ -14,6 +8,12 @@
   <img src="https://img.shields.io/badge/stealth-JA3%2FJA4-333?style=flat-square" alt="Stealth" />
 </p>
 
+<h1 align="center">ZeroGravity</h1>
+
+<p align="center">
+  <img src="assets/logo.png" alt="ZeroGravity" width="200" />
+</p>
+
 <p align="center">
   OpenAI-compatible proxy that intercepts and relays requests to Google's Antigravity language server, impersonating the real Electron webview.
 </p>
@@ -43,8 +43,9 @@ graph LR
 | ------------------- | -------------------------- | ------------------- |
 | `opus-4.6`          | Claude Opus 4.6 (Thinking) | Default model       |
 | `opus-4.5`          | Claude Opus 4.5 (Thinking) | —                   |
-| `gemini-3-pro-high` | Gemini 3 Pro (High)        | —                   |
+| `gemini-3-pro`      | Gemini 3 Pro (High)        | Default Pro tier    |
-| `gemini-3-pro`      | Gemini 3 Pro (Low)         | —                   |
+| `gemini-3-pro-high` | Gemini 3 Pro (High)        | Alias               |
+| `gemini-3-pro-low`  | Gemini 3 Pro (Low)         | —                   |
 | `gemini-3-flash`    | Gemini 3 Flash             | Recommended for dev |
 
 ## Quick Start
@@ -135,6 +136,17 @@ The proxy needs an OAuth token:
 2. **Token file**: `~/.config/zerogravity-token`
 3. **Runtime**: `curl -X POST http://localhost:8741/v1/token -d '{"token":"ya29.xxx"}'`
 
+<details>
+<summary>How to get the token</summary>
+
+1. Open Antigravity
+2. Go to **Help** > **Toggle Developer Tools**
+3. Send any prompt
+4. In the **Network** tab, find a request to `generativelanguage.googleapis.com`
+5. Copy the `Authorization: Bearer ya29.xxx...` header value
+
+</details>
+
 ## `zg` Commands
 
 | Command         | Description                    |

src/api/models.rs

@@ -28,6 +28,12 @@ pub(crate) const MODELS: &[ModelDef] = &[
         model_enum: 1012,
         label: "Claude Opus 4.5 (Thinking)",
     },
+    ModelDef {
+        name: "gemini-3-pro",
+        ag_id: "MODEL_PLACEHOLDER_M8",
+        model_enum: 1008,
+        label: "Gemini 3 Pro (High)",
+    },
     ModelDef {
         name: "gemini-3-pro-high",
         ag_id: "MODEL_PLACEHOLDER_M8",
@@ -35,7 +41,7 @@ pub(crate) const MODELS: &[ModelDef] = &[
         label: "Gemini 3 Pro (High)",
     },
     ModelDef {
-        name: "gemini-3-pro",
+        name: "gemini-3-pro-low",
         ag_id: "MODEL_PLACEHOLDER_M7",
         model_enum: 1007,
         label: "Gemini 3 Pro (Low)",