fix: remove committed runtime state from example, fix Architecture.md

Architecture.md

@@ -4,7 +4,7 @@
 
 Multiple agents can work on the same repo simultaneously. Two problems must be solved:
 
-**1. Script isolation** — each scope gets its own directory under `.steplock/sessions/`. The dir name is the scope key — session ID for `reset = "session"`, branch name for `reset = "branch"`. `ack.sh` and `preview.sh` live there and read `state.json` from the same dir — no params needed from the agent.
+**1. Script isolation** — each scope gets its own directory under `.steplock/sessions/`. The dir name is the scope key — session ID for `reset = "session"`. `ack.sh` and `preview.sh` live there and read `state.json` from the same dir — no params needed from the agent.
 
 **2. State races** — `ack.sh` writes `state.json` atomically via temp + `mv`. On POSIX `mv` is atomic same-filesystem — a concurrent reader always sees a complete file.
 

examples/README.md

@@ -21,9 +21,11 @@ Each state blocks the agent until acknowledged. On the fifth invocation, the pus
 ```
 git-push-quality-gate/
 ├── .claude/settings.json                        ← Claude Code hook registration
-└── .steplock/checklists/git-push-quality-gate/
-    ├── config.toml                              ← trigger and behaviour
-    └── flow.mmd                                 ← checklist items as Mermaid diagram
+└── .steplock/
+    ├── .gitignore                               ← excludes sessions/ and audit.log
+    └── checklists/git-push-quality-gate/
+        ├── config.toml                          ← trigger and behaviour
+        └── flow.mmd                             ← checklist items as Mermaid diagram
 ```
 
 ### Usage

examples/git-push-quality-gate/.steplock/.gitignore

@@ -0,0 +1,2 @@
+sessions/
+audit.log