add status indicators for skill installation, registry and matcher #696
Description
Part of #694
Operations
| ID | Location | Operation | Est. Latency |
|---|---|---|---|
| SPIN-005 | zeph-skills/src/manager.rs install |
Skill installation (git clone + parse) | 2-15s |
| SPIN-004 | zeph-skills/src/matcher.rs sync |
Skill matcher embedding sync | 0.5-3s |
| SPIN-018 | zeph-skills/src/registry.rs reload |
Skill registry hot-reload | 0.3-2s |
| SPIN-019 | zeph-skills/src/self_learning.rs evolve |
Self-learning skill evolution | 1-5s |
Priority: P0 (install, matcher) / P1 (registry, self-learning)
Skill installation is user-initiated and clearly long. Matcher sync happens on startup.