feat(baoyu-image-gen): default to GA Gemini image endpoints and sync docs

skills/baoyu-image-gen/references/config/first-time-setup.md

@@ -69,9 +69,9 @@ Only show if user selected Google or auto-detect (no explicit provider).
 header: "Google Model"
 question: "Default Google image generation model?"
 options:
-  - label: "gemini-3-pro-image-preview (Recommended)"
+  - label: "gemini-3-pro-image (Recommended)"
     description: "Highest quality, best for production use"
-  - label: "gemini-3.1-flash-image-preview"
+  - label: "gemini-3.1-flash-image"
     description: "Fast generation, good quality, lower cost"
   - label: "gemini-3-flash-preview"
     description: "Fast generation, balanced quality and speed"
@@ -85,7 +85,7 @@ Only show if user selected OpenRouter.
 header: "OpenRouter Model"
 question: "Default OpenRouter image generation model?"
 options:
-  - label: "google/gemini-3.1-flash-image-preview (Recommended)"
+  - label: "google/gemini-3.1-flash-image (Recommended)"
     description: "Best general-purpose OpenRouter image model with reference-image workflows"
   - label: "google/gemini-2.5-flash-image-preview"
     description: "Fast Gemini preview model on OpenRouter"
@@ -202,9 +202,9 @@ When EXTEND.md exists but `default_model.[current_provider]` is null, ask ONLY t
 header: "Google Model"
 question: "Choose a default Google image generation model?"
 options:
-  - label: "gemini-3-pro-image-preview (Recommended)"
+  - label: "gemini-3-pro-image (Recommended)"
     description: "Highest quality, best for production use"
-  - label: "gemini-3.1-flash-image-preview"
+  - label: "gemini-3.1-flash-image"
     description: "Fast generation, good quality, lower cost"
   - label: "gemini-3-flash-preview"
     description: "Fast generation, balanced quality and speed"
@@ -249,7 +249,7 @@ Notes for Azure setup:
 header: "OpenRouter Model"
 question: "Choose a default OpenRouter image generation model?"
 options:
-  - label: "google/gemini-3.1-flash-image-preview (Recommended)"
+  - label: "google/gemini-3.1-flash-image (Recommended)"
     description: "Recommended for image output and reference-image edits"
   - label: "google/gemini-2.5-flash-image-preview"
     description: "Fast preview-oriented image generation"

skills/baoyu-image-gen/references/config/preferences-schema.md

@@ -22,10 +22,10 @@ default_image_size: null    # 1K|2K|4K|null (Google/OpenRouter, overrides qualit
 default_image_api_dialect: null  # openai-native|ratio-metadata|null (OpenAI-compatible gateways; null = use env/default)
 
 default_model:
-  google: null              # e.g., "gemini-3-pro-image-preview", "gemini-3.1-flash-image-preview"
+  google: null              # e.g., "gemini-3-pro-image", "gemini-3.1-flash-image"
   openai: null              # e.g., "gpt-image-2", "gpt-image-1.5", "gpt-image-1"
   azure: null               # Azure deployment name, e.g., "gpt-image-2" or "image-prod"
-  openrouter: null          # e.g., "google/gemini-3.1-flash-image-preview"
+  openrouter: null          # e.g., "google/gemini-3.1-flash-image"
   dashscope: null           # e.g., "qwen-image-2.0-pro"
   zai: null                 # e.g., "glm-image"
   minimax: null             # e.g., "image-01"
@@ -110,10 +110,10 @@ default_aspect_ratio: "16:9"
 default_image_size: 2K
 default_image_api_dialect: null
 default_model:
-  google: "gemini-3-pro-image-preview"
+  google: "gemini-3-pro-image"
   openai: "gpt-image-2"
   azure: "gpt-image-2"
-  openrouter: "google/gemini-3.1-flash-image-preview"
+  openrouter: "google/gemini-3.1-flash-image"
   dashscope: "qwen-image-2.0-pro"
   zai: "glm-image"
   minimax: "image-01"

skills/baoyu-image-gen/references/providers/openrouter.md

@@ -1,12 +1,12 @@
 # OpenRouter
 
-Read when the user picks `--provider openrouter`. Default model is `google/gemini-3.1-flash-image-preview`.
+Read when the user picks `--provider openrouter`. Default model is `google/gemini-3.1-flash-image`.
 
 ## Common Models
 
 Use full OpenRouter model IDs:
 
-- `google/gemini-3.1-flash-image-preview` (recommended — supports image output and reference-image workflows)
+- `google/gemini-3.1-flash-image` (recommended — supports image output and reference-image workflows)
 - `google/gemini-2.5-flash-image-preview`
 - `black-forest-labs/flux.2-pro`
 - Any other OpenRouter image-capable model ID

skills/baoyu-image-gen/references/usage-examples.md

@@ -34,13 +34,13 @@ ${BUN_X} {baseDir}/scripts/main.ts --prompt "A cat" --image out.png --provider a
 ${BUN_X} {baseDir}/scripts/main.ts --prompt "A cinematic landscape" --image out.png --provider openai --model gpt-image-2 --size 3840x2160
 
 # Google with explicit model
-${BUN_X} {baseDir}/scripts/main.ts --prompt "Make blue" --image out.png --provider google --model gemini-3-pro-image-preview --ref source.png
+${BUN_X} {baseDir}/scripts/main.ts --prompt "Make blue" --image out.png --provider google --model gemini-3-pro-image --ref source.png
 
 # OpenRouter (recommended default)
 ${BUN_X} {baseDir}/scripts/main.ts --prompt "A cat" --image out.png --provider openrouter
 
 # OpenRouter with reference
-${BUN_X} {baseDir}/scripts/main.ts --prompt "Make blue" --image out.png --provider openrouter --model google/gemini-3.1-flash-image-preview --ref source.png
+${BUN_X} {baseDir}/scripts/main.ts --prompt "Make blue" --image out.png --provider openrouter --model google/gemini-3.1-flash-image --ref source.png
 
 # DashScope (default model)
 ${BUN_X} {baseDir}/scripts/main.ts --prompt "一只可爱的猫" --image out.png --provider dashscope