Maintain context across sessions

Manage persistent cross-session context threads

When work spans multiple sessions but doesn't belong to a specific phase and needs persistent context.

• · argument string
• · phase number
• · thread slug
• · search query
• · file path

• · git commit
• · report
• · structured results
• · Markdown file

• · Bash CLI

• · Bash/shell environment

• · Invalid slug characters → rejected with validation error
• · Git hook fails → commit blocked until issue fixed
• · Phase not found → exit with guidance

• · Step-by-step execution protocol