Implement reskill retrospective workflow and squad-state outputs (#41)

* Add run counter persistence and reskill trigger Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Add reskill retrospective tooling Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * fix: address all 4 Copilot review comments on PR #40 - Fix git stash error handling: Use git stash create/store instead of || true - Fix counter increments on no-op crawls: Check git diff before incrementing - Fix trigger-log.txt persistence: Commit and push log file to repository - Fix test fragility: Use YAML parsing instead of raw substring matching Addresses review comments: - Line 133: Properly distinguish real stash errors from 'nothing to stash' - Line 138: Gate counter increment on actual data changes - Line 500: Create persistent audit trail of reskill triggers - Line 167: Make tests robust to YAML formatting changes Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * fix: complete reskill workflow Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> --------- Co-authored-by: Copilot <copilot@github.com> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>