summarize, suggest, compress

summarize

branxa summarize

• builds prompt from branch/files/commits state
• expects strict JSON response payload
• raw-text fallback is persisted when JSON parsing fails

suggest

branxa suggest

• returns 3 to 5 actionable suggestions
• includes fallback suggestions when AI output is not parseable
• if no context and no changes exist, returns explicit warning

compress

branxa compress

• requires at least 3 branch entries
• rewrites history to [compressed_summary, latest_original]

Key implementation

• src/commands/summarize.ts
• src/commands/suggest.ts
• src/commands/compress.ts
• src/lib/ai.ts