feat(agentos-actor-plugin): add listMounts and listSoftware actionss

[abcxff]

Expose the actor's declarative mount and software configuration as two new
config-introspection actions so a UI can enumerate them:

• listMounts -> [{ path, kind, config, readOnly }] where kind is the native
  mount plugin id (host_dir | s3 | google_drive | sandbox_agent).
• listSoftware -> [{ package, kind, version }] where kind is the kebab-case
  SoftwareKind tag (wasm-commands | agent | tool).

Both echo the parsed AgentOsConfigJson the plugin already holds (threaded into
dispatch); no VM/sidecar round-trip is needed. The kernel has no runtime mount
table to enumerate, and software is the requested bundle already expanded
TS-side in buildConfigJson (incl. the default common bundle).

Co-Authored-By: Claude Opus 4.8 (1M context) noreply@anthropic.com

[ported from agentos-ro feat/list-mounts-software ea2b9a1; lib.rs call-site
adapted to the 819e99f base — this base lacks the actor_worker refactor, so the
&config arg was threaded into actions::dispatch in actor_loop instead]

[abcxff]

Stack for rivet-dev/agentos

• feat(inspector): custom actor inspector tabs on the rivetkit client #1560 pkzrwoqz · 2026-06-29 22:05:22
• chore(actor): sync actor and heall #1573 tusrluzr · 2026-07-01 23:03:04
• feat(agentos-actor-plugin): add readdirEntries (one-shot typed directory listingg) #1572 opkrsnlp · 2026-07-01 23:03:03
• feat(agentos-actor-plugin): add listMounts and listSoftware actionss #1559 wzltxzss · 2026-06-29 22:05:20 👈
• main

Get stack: forklift get 1559
Push local edits: forklift submit
Merge when ready: forklift merge 1559

[railway-app]

🚅 Deployed to the agentos-pr-1559 environment in agentos

Service	Status	Web	Updated (UTC)
agentos	😴 Sleeping (View Logs)	Web	Jul 2, 2026 at 7:46 pm

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🚅 Environment agentos-pr-1559 in rivet-frontend has no services deployed.