docs: rename CLAUDE.md to AGENTS.md and rebrand provider-agnostic

Delete CLAUDE.md in favor of AGENTS.md as the orientation doc, rebrand
the project from Codex-bottle to provider-agnostic bot-bottle, and
repoint every CLAUDE.md reference across PRDs, research notes, the
implementer agent example, and the yaml_subset comment.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

docs/prds/0010-cred-proxy.md

@@ -415,7 +415,7 @@ cannot smuggle a stolen token through this path.
 The proxy binary. Two real options:
 
 - **Python (stdlib)** — `http.server` + `urllib`/`http.client`,
-  no new pip packages. Matches CLAUDE.md's "Python, stdlib-first,
+  no new pip packages. Matches AGENTS.md's "Python, stdlib-first,
   low-deps" posture. SSE pass-through is fiddly but doable.
 - **Go single binary** — cleaner SSE story, smaller runtime,
   one static binary in a scratch/distroless image. New build

docs/prds/0011-per-file-md-manifest.md

@@ -24,7 +24,7 @@ no `bottles/` subdirectory, period.
 The YAML we accept is bounded (flat keys → strings, lists, simple
 nested dicts), so the parser is hand-rolled and stdlib-only — no
 PyYAML dependency. The project's "low deps by default" stance
-(CLAUDE.md) stays intact.
+(AGENTS.md) stays intact.
 
 ## Problem
 

docs/prds/0012-stuck-agent-recovery-flow.md

@@ -70,4 +70,4 @@ It's still the wrong placement for five reasons:
 - PRD 0014 — cred-proxy block remediation.
 - PRD 0015 — pipelock block remediation.
 - PRD 0016 — capability block remediation.
-- `CLAUDE.md` — project non-goal on agent-to-agent communication; this PRD stays on the human→agent side of that line.
+- `AGENTS.md` — project non-goal on agent-to-agent communication; this PRD stays on the human→agent side of that line.

docs/prds/0023-smolmachines-backend.md

@@ -201,7 +201,7 @@ The feature is **done** when all of the following ship:
   smolmachines-capable host. The suite is updated to skip cleanly
   on hosts that can't reach smolmachines (same shape as the
   existing `GITEA_ACTIONS == "true"` skip), not to fail.
-- README + `CLAUDE.md` updated to document the env-var selection,
+- README + `AGENTS.md` updated to document the env-var selection,
   the macOS-only scope for v1, and the `smolvm` install
   prerequisite.
 

docs/prds/0024-consolidate-sidecar-bundle.md

@@ -123,7 +123,7 @@ The feature is **done** when all of the following ship:
   - Integration: existing PRD 0001 / 0008 / 0013 / 0017
     integration tests run against the bundle and pass.
   - Integration: PRD 0022 sandbox-escape suite stays green.
-- `CLAUDE.md` updated to describe the bundle and the
+- `AGENTS.md` updated to describe the bundle and the
   daemons-inside layout.
 
 ## Non-goals
@@ -173,7 +173,7 @@ The feature is **done** when all of the following ship:
 - Test updates: unit and integration tests that probe the
   four-container shape get rewritten against the one-container
   shape.
-- README + CLAUDE.md doc updates.
+- README + AGENTS.md doc updates.
 
 ### Out of scope
 
@@ -399,7 +399,7 @@ rewrite.
    PRD 0022 stays green.
 5. **Docs + flag removal.** Flip the default, remove the
    feature flag, delete `Dockerfile.{egress,git-gate,supervise}`,
-   update README + CLAUDE.md.
+   update README + AGENTS.md.
 
 ## Open questions