agent-manager v0.2.0 : gestionnaire d'agents IA locaux

- CLI Rust (am) : list/install/uninstall/update/start/stop/restart/run/status/search/info/config/doctor/completion/export/import/self-update + shell interactif (Tab, historique)
- 9 methodes d'installation (npm, pip, uv, cargo, go, bun, curl, binary, git)
- catalogue de 72 agents, dependances, processus, securite (dry-run, checksums)
- sondes de version paralleles + cache (am list ~25 ms a chaud)
- installateurs one-liner : install.sh, install.ps1

examples/raw/doctor.txt

@@ -0,0 +1,22 @@
+CHECK          STATUS  DETAIL
+-----------------------------
+git            ok      C:\Users\bruno\scoop\apps\git\current\cmd\git.e…
+sh             ok      C:\Users\bruno\scoop\shims\sh.exe (v5.3.15)
+curl           ok      C:\Windows\system32\curl.exe (v8.21.0)
+node           ok      C:\Users\bruno\scoop\apps\nodejs22\current\node…
+npm            ok      C:\Users\bruno\scoop\apps\nodejs22\current\bin\…
+python3        ok      C:\Users\bruno\scoop\shims\python3.exe (v3.13.1…
+python         ok      C:\Users\bruno\AppData\Local\Microsoft\WindowsA…
+cargo          ok      C:\Users\bruno\scoop\apps\rustup\current\.cargo…
+go             ok      C:\Users\bruno\scoop\shims\go.exe (v1.26.5)
+bun            ok      C:\Users\bruno\scoop\shims\bun.exe (v1.3.14)
+uv             ok      C:\Users\bruno\scoop\shims\uv.exe (v0.12.2)
+docker         ok      C:\Program Files\Docker\Docker\resources\bin\do…
+config         warn    no user config file found; using the embedded d…
+config-schema  ok      72 agents defined
+state          ok      0 installed agent(s)
+install-dir    warn    C:\Users\bruno\AppData\Local\agent-manager\agen…
+bin-dir        warn    C:\Users\bruno\AppData\Local\agent-manager\agen…
+log-dir        ok      C:\Users\bruno\AppData\Local\agent-manager\logs
+bin-on-path    warn    C:\Users\bruno\AppData\Local\agent-manager\agen…
+4 problem(s) found — 'am doctor --fix' repairs what it can