feat: complete native execution and Steam discovery

AGENTS.md

@@ -15,13 +15,13 @@
 
 ## Current state
 
-- Phase 0 is complete. Phase 1 contracts are next.
+- Phases 0–3 are complete. Steam launch planning and execution is next.
 - `Project Kiln`, `kiln`, and every `kiln-*` name are private placeholders. Do not publish,
   globally install, register, or expose them as stable compatibility promises.
-- The workspace is private, AGPL-3.0-or-later, Rust 2024, MSRV 1.85, with the reviewed
-  development toolchain pinned to Rust 1.97.1.
-- No real provider implementation starts until the relevant Phase 1 contracts and mock
-  adapter tests pass.
+- The workspace is private, AGPL-3.0-or-later, Rust 2024, with Rust 1.97.1 as both
+  the minimum supported compiler and reviewed development toolchain.
+- Every new provider starts with read-only fixture-driven discovery and must reuse the
+  Phase 1 contracts before execution work begins.
 
 ## Required workflow
 
@@ -44,11 +44,11 @@
 Run before handing work back:
 
 ```sh
-make verify
-make audit
+make check
 ```
 
-Also run focused tests for the changed capability. Do not report a gate as passed unless
+All compilation and auditing runs locally; Gitea is source storage only. Also run focused
+tests for the changed capability. Do not report a gate as passed unless
 it actually ran. Record blocked hardware/VM/provider checks explicitly for later local
 execution rather than fabricating evidence.
 
@@ -56,9 +56,9 @@ execution rather than fabricating evidence.
 
 - `crates/kiln-core/`: provider-independent contracts and logic
 - `crates/kiln-cli/`: the single human and machine-facing CLI
+- `crates/kiln-adapter-steam/`: read-only Steam library and app-manifest discovery
 - `docs/spec/`: active specification
 - `docs/adr/`: architecture decisions
 - `docs/phase-0/`: completed baseline policies and evidence
 - `docs/handoff/`: bounded Codex CLI task briefs
 - `scripts/`: repository, toolchain, licensing, and placeholder gates
-