fix: add missing main_config frontmatter to analysis workflows

src/bmm/workflows/1-analysis/create-product-brief/workflow.md

@@ -1,6 +1,7 @@
 ---
 name: create-product-brief
 description: Create comprehensive product briefs through collaborative step-by-step discovery as creative Business Analyst working with the user as peers.
+main_config: '{project-root}/_bmad/bmm/config.yaml'
 ---
 
 # Product Brief Workflow

src/bmm/workflows/1-analysis/research/workflow-domain-research.md

@@ -1,6 +1,7 @@
 ---
 name: domain-research
 description: Conduct domain research covering industry analysis, regulations, technology trends, and ecosystem dynamics using current web data and verified sources.
+main_config: '{project-root}/_bmad/bmm/config.yaml'
 ---
 
 # Domain Research Workflow

src/bmm/workflows/1-analysis/research/workflow-market-research.md

@@ -1,6 +1,7 @@
 ---
 name: market-research
 description: Conduct market research covering market size, growth, competition, and customer insights using current web data and verified sources.
+main_config: '{project-root}/_bmad/bmm/config.yaml'
 ---
 
 # Market Research Workflow

src/bmm/workflows/1-analysis/research/workflow-technical-research.md

@@ -1,6 +1,7 @@
 ---
 name: technical-research
 description: Conduct technical research covering technology evaluation, architecture decisions, and implementation approaches using current web data and verified sources.
+main_config: '{project-root}/_bmad/bmm/config.yaml'
 ---
 
 # Technical Research Workflow
@@ -24,7 +25,6 @@ Load and read full config from {main_config} and resolve basic variables.
 2. If it exists, read its content as `{project_suffix}` and override output folder:
    - `output_folder`: `{project-root}/_bmad-output/{project_suffix}`
 
-Load config from `{project-root}/_bmad/bmm/config.yaml` and resolve:
 - `project_name`, `output_folder`, `planning_artifacts`, `user_name`
 - `communication_language`, `document_output_language`, `user_skill_level`
 - `date` as a system-generated value