* fix(gsd extension): detect initialized projects in health widget
Use .gsd presence plus project-state detection for the health widget so bootstrapped projects no longer appear as unloaded before metrics exist.
* fix(gsd extension): make health widget execution-aware
Lead the health widget with current GSD execution state so it explains what the project is doing before surfacing provider and environment diagnostics. Keep issue, budget, and progress details as secondary context and cover the new output with focused widget tests.
* fix(gsd extension): address review feedback on health widget PR
- Replace em dash with ASCII hyphen in headline for terminal safety
- Reformat catch/finally to standard single-line style
- Replace computeProgressScore() status with direct phase labels so
the status reflects the actual execution phase, not a global health
aggregate
- Use lightweight milestone-dir scan instead of full detectProjectState()
to avoid unnecessary filesystem work on the 60s refresh
- Add cache warm-up comment on updateSliceProgressCache call
- Add safety comment on early void refresh() call
- Update test assertions for new phase labels and ASCII separator
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