fix: ChatBubble crash and DeepSeek API compatibility

- Fix ChatBubble to handle non-string content with String() wrapper
- Fix API route to use generateText for non-streaming requests
- Add @ai-sdk/openai-compatible for non-OpenAI providers (DeepSeek, etc.)
- Use Chat Completions API instead of Responses API for compatible providers
- Update ChatBubble tests and fix component exports to kebab-case
- Remove stale PascalCase ChatBubble.tsx file

_bmad/bmm/data/README.md

@@ -0,0 +1,29 @@
+# BMM Module Data
+
+This directory contains module-specific data files used by BMM agents and workflows.
+
+## Files
+
+### `project-context-template.md`
+
+Template for project-specific brainstorming context. Used by:
+
+- Analyst agent `brainstorm-project` command
+- Core brainstorming workflow when called with context
+
+### `documentation-standards.md`
+
+BMAD documentation standards and guidelines. Used by:
+
+- Tech Writer agent (critical action loading)
+- Various documentation workflows
+- Standards validation and review processes
+
+## Purpose
+
+Separates module-specific data from core workflow implementations, maintaining clean architecture:
+
+- Core workflows remain generic and reusable
+- Module-specific templates and standards are properly scoped
+- Data files can be easily maintained and updated
+- Clear separation of concerns between core and module functionality