4a8c432a48
* add Summarize mode for updatable PR summary comments Introduces a Summarize mode that manages a single summary comment per PR, updated in place on subsequent pushes. Mirrors the Plan/PlanEdit pattern: API endpoint for existing-comment lookup at select_mode time, node ID tracking on WorkflowRun, and SummaryUpdate guidance for edits. Also fixes summary format instructions: Before/After uses inline <br/> to avoid double line breaks, metadata line placed after key changes, SHA-256 anchor instructions strengthened against fabrication. Made-with: Cursor * fix pre-existing lint error in checkout.ts Made-with: Cursor * fix dead restricted param in deepenForBeforeSha GitAuthOptions dropped the restricted field in the ASKPASS refactor (#478) but deepenForBeforeSha (#471) still passed it. Remove the field and the now-unused shell param from DeepenForBeforeShaParams. Made-with: Cursor