refactor: consolidate rig program inline in AW markdown; remove separate sample

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

Author: Copilot

.github/workflows/daily-rig-file-summarizer.lock.yml

@@ -1,7 +1,7 @@
 ---
 name: Daily Rig File Summarizer
 description: >
-  Each day, runs a rig program that uses a file-summarizer subagent to summarize
+  Each day, runs an inline rig program that uses a file-summarizer subagent to summarize
   each TypeScript source file individually via the Copilot SDK, synthesizes a global
   project summary, and posts the result as a GitHub issue.
 on:
@@ -30,7 +30,7 @@ safe-outputs:
 
 ## Task
 
-Run the rig file summarizer program, which uses a Copilot SDK subagent to summarize
+Run an inline rig file-summarizer program that uses a Copilot SDK subagent to summarize
 each TypeScript source file individually and then synthesizes a global project summary.
 Post the result as a GitHub issue.
 
@@ -40,16 +40,53 @@ Post the result as a GitHub issue.
 npm install 2>&1
 ```
 
-### Step 2 — Run the rig file summarizer
+### Step 2 — Write the rig program
 
 ```bash
-node skills/rig/rig.ts skills/rig/samples/140-file-summarizer.md 2>&1
+mkdir -p /tmp/gh-aw/agent && cat > /tmp/gh-aw/agent/file-summarizer.ts << 'RIGEOF'
+import { agent, configureAgent, copilotEngine, p, s } from "rig";
+
+configureAgent(copilotEngine());
+
+const FileSummary = s.object({ path: s.path, summary: s.string });
+
+const summarizeFile = agent({
+  name: "file-summarizer",
+  model: "mini",
+  input: { path: s.path },
+  instructions: p`Summarize the following file in 1-2 sentences:\n${p.readInput("path")}`,
+  output: FileSummary,
+});
+
+const projectSummarizer = agent({
+  name: "project-summarizer",
+  model: "small",
+  agents: { summarizeFile },
+  instructions: p`
+List TypeScript source files (excluding node_modules and .git):
+${p.bash("find . -name '*.ts' -not -path '*/node_modules/*' -not -path '*/.git/*' | sort | head -20")}
+Call summarizeFile for each file path, then write a concise globalSummary of the whole project.
+`,
+  output: s.object({
+    files: s.array(FileSummary),
+    globalSummary: s.string,
+  }),
+});
+
+export default projectSummarizer;
+RIGEOF
+```
+
+### Step 3 — Run the rig file summarizer
+
+```bash
+node skills/rig/rig.ts /tmp/gh-aw/agent/file-summarizer.ts 2>&1
 ```
 
 Capture the JSON output object `{"files":[...],"globalSummary":"..."}` printed to stdout.
 If the program exits with a non-zero code, emit `noop` with the error and stop.
 
-### Step 3 — Create an issue
+### Step 4 — Create an issue
 
 Emit a `create-issue` safe output with: