diff --git a/.claude/commands/update-memory-full.md b/.claude/commands/update-memory-full.md
index b41fe106..1bc8647b 100644
--- a/.claude/commands/update-memory-full.md
+++ b/.claude/commands/update-memory-full.md
@@ -36,6 +36,7 @@ argument-hint: "[--tool gemini|qwen|codex] [--path <directory>]"
 4. **Depth-Parallel**: Same depth runs parallel (max 4 jobs), different depths sequential
 5. **Safety Check**: Verify only CLAUDE.md files modified, revert if source files touched
 6. **Independent Commands**: Each update is a separate bash() call
+7. **No Background Bash Tool**: Never use `run_in_background` parameter in bash() calls; use shell `&` for parallelism
 
 ## Execution Workflow
 
diff --git a/.claude/commands/update-memory-related.md b/.claude/commands/update-memory-related.md
index d0aaf8b3..31ee036c 100644
--- a/.claude/commands/update-memory-related.md
+++ b/.claude/commands/update-memory-related.md
@@ -30,6 +30,7 @@ argument-hint: "[--tool gemini|qwen|codex]"
 3. **Related Mode**: Update only changed modules and their parent contexts
 4. **Depth-Parallel**: Same depth runs parallel (max 4 jobs), different depths sequential
 5. **Safety Check**: Verify only CLAUDE.md files modified, revert if source files touched
+6. **No Background Bash Tool**: Never use `run_in_background` parameter in bash() calls; use shell `&` for parallelism
 
 ## Execution Workflow
 
diff --git a/CLAUDE.md b/CLAUDE.md
index 1d951867..e9481241 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -70,6 +70,11 @@ For all CLI tool usage, command syntax, and integration guidelines:
 - Learn from existing implementations
 - Stop after 3 failed attempts and reassess
 
+## Platform-Specific Guidelines
+
+### Windows Path Conversion for Bash Commands
+- **Windows paths** must convert to Git Bash format: `C:\path` → `/c/path`, `D:\path` → `/d/path`, `\` → `/`
+- **Relative paths** (starting with `.` or `..`) require no conversion
 
 #### **Content Uniqueness Rules**