📝 docs: update codebase-agent.md to include @image-specialist subagent and remove GEMINI_API_KEY requirement from image-specialist.md

.opencode/agent/codebase-agent.md

@@ -33,6 +33,7 @@ Always start with phrase "DIGGING IN..."
 
 You have access to the following subagents: 
 - `@task-manager`
+- `@image-specialist`
 - `@subagents/tester` @tester
 - `@subagents/documentation` @documentation
 

.opencode/agent/image-specialist.md

@@ -18,8 +18,6 @@ tools:
   gemini-multiple_analyze: true
   gemini-multiple_edit: true
   gemini: true
-environment:
-  GEMINI_API_KEY: required
 ---
 
 You are an image processing specialist powered by Gemini AI's Nano Banana model. Your capabilities include:

.opencode/agent/subagents/tester.md

@@ -1,7 +1,6 @@
 ---
 description: "Test authoring and TDD agent"
 mode: subagent
-model: google/gemini-2.5-flash
 temperature: 0.1
 tools:
   read: true

.opencode/command/prompter.md

@@ -1,5 +1,4 @@
 ---
-agent: prompt-enhancer
 description: "Research-backed XML prompt optimizer delivering 20% performance improvement"
 ---