feat(baoyu-image-gen): improve Azure OpenAI provider with flexible endpoint parsing and deployment resolution

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

@@ -47,6 +47,8 @@ options:
     description: "Gemini multimodal - high quality, reference images, flexible sizes"
   - label: "OpenAI"
     description: "GPT Image - consistent quality, reliable output"
+  - label: "Azure OpenAI"
+    description: "Azure-hosted GPT Image deployments with resource-specific routing"
   - label: "OpenRouter"
     description: "Router for Gemini/FLUX/OpenAI-compatible image models"
   - label: "DashScope"
@@ -87,6 +89,20 @@ options:
     description: "Strong text-to-image quality through OpenRouter"
 ```
 
+### Question 2c: Default Azure Deployment
+
+Only show if user selected Azure OpenAI.
+
+```yaml
+header: "Azure Deploy"
+question: "Default Azure image deployment name?"
+options:
+  - label: "gpt-image-1.5 (Recommended)"
+    description: "Best default if your Azure deployment uses the same name"
+  - label: "gpt-image-1"
+    description: "Previous GPT Image deployment name"
+```
+
 ### Question 3: Default Quality
 
 ```yaml
@@ -130,6 +146,7 @@ default_image_size: null
 default_model:
   google: [selected google model or null]
   openai: null
+  azure: [selected azure deployment or null]
   openrouter: [selected openrouter model or null]
   dashscope: null
   replicate: null
@@ -166,6 +183,23 @@ options:
     description: "Previous generation GPT Image model"
 ```
 
+### Azure Deployment Selection
+
+```yaml
+header: "Azure Deploy"
+question: "Choose a default Azure image deployment name?"
+options:
+  - label: "gpt-image-1.5 (Recommended)"
+    description: "Use when your Azure deployment name matches the GPT-image-1.5 model"
+  - label: "gpt-image-1"
+    description: "Use when your Azure deployment name matches GPT-image-1"
+```
+
+Notes for Azure setup:
+
+- In `baoyu-image-gen`, Azure `--model` / `default_model.azure` should be the Azure deployment name, not just the underlying model family.
+- If the deployment name is custom, save that exact deployment name in `default_model.azure`.
+
 ### OpenRouter Model Selection
 
 ```yaml
@@ -230,6 +264,7 @@ After user selects a model:
 default_model:
   google: [value or null]
   openai: [value or null]
+  azure: [value or null]
   openrouter: [value or null]
   dashscope: [value or null]
   replicate: [value or null]

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

@@ -11,7 +11,7 @@ description: EXTEND.md YAML schema for baoyu-image-gen user preferences
 ---
 version: 1
 
-default_provider: null      # google|openai|openrouter|dashscope|replicate|null (null = auto-detect)
+default_provider: null      # google|openai|azure|openrouter|dashscope|replicate|null (null = auto-detect)
 
 default_quality: null       # normal|2k|null (null = use default: 2k)
 
@@ -22,6 +22,7 @@ default_image_size: null    # 1K|2K|4K|null (Google/OpenRouter, overrides qualit
 default_model:
   google: null              # e.g., "gemini-3-pro-image-preview", "gemini-3.1-flash-image-preview"
   openai: null              # e.g., "gpt-image-1.5", "gpt-image-1"
+  azure: null               # Azure deployment name, e.g., "gpt-image-1.5" or "image-prod"
   openrouter: null          # e.g., "google/gemini-3.1-flash-image-preview"
   dashscope: null           # e.g., "qwen-image-2.0-pro"
   replicate: null           # e.g., "google/nano-banana-pro"
@@ -38,6 +39,9 @@ batch:
     openai:
       concurrency: 3
       start_interval_ms: 1100
+    azure:
+      concurrency: 3
+      start_interval_ms: 1100
     openrouter:
       concurrency: 3
       start_interval_ms: 1100
@@ -58,6 +62,7 @@ batch:
 | `default_image_size` | string\|null | null | Google/OpenRouter image size (overrides quality) |
 | `default_model.google` | string\|null | null | Google default model |
 | `default_model.openai` | string\|null | null | OpenAI default model |
+| `default_model.azure` | string\|null | null | Azure default deployment name |
 | `default_model.openrouter` | string\|null | null | OpenRouter default model |
 | `default_model.dashscope` | string\|null | null | DashScope default model |
 | `default_model.replicate` | string\|null | null | Replicate default model |
@@ -87,6 +92,7 @@ default_image_size: 2K
 default_model:
   google: "gemini-3-pro-image-preview"
   openai: "gpt-image-1.5"
+  azure: "gpt-image-1.5"
   openrouter: "google/gemini-3.1-flash-image-preview"
   dashscope: "qwen-image-2.0-pro"
   replicate: "google/nano-banana-pro"
@@ -96,6 +102,9 @@ batch:
     replicate:
       concurrency: 5
       start_interval_ms: 700
+    azure:
+      concurrency: 3
+      start_interval_ms: 1100
     openrouter:
       concurrency: 3
       start_interval_ms: 1100