WIP: stage all uncommitted work — sprints 46-221, graduation headers, specialist fleet, test steps 909-1988

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

example_projects/README.md

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+# Example Projects Corpus
+
+Curated multi-stack fixtures for MCP training data generation.
+
+- Designed for tool-use diversity, not production deployment.
+- Each project has a small, realistic file tree and a validator command.
+- Matching run specs live in `datasets/example_run_specs`.

example_projects/bash_log_shipper/PROJECT_META.md

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+# bash_log_shipper
+
+- stack: bash
+- validator: bash -n bin/ship_logs.sh
+- common_failure_modes: path misuse, quoting, retention config mismatch
+
+## Scope
+
+Small representative project for training data generation.

example_projects/bash_log_shipper/TASKS.md

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+# Task Seeds: bash_log_shipper
+
+bin/ship_logs.sh, etc/shipper.conf
+
+## Validator
+
+`bash -n bin/ship_logs.sh`

example_projects/bash_log_shipper/bin/ship_logs.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+SRC="${1:-/var/log/app.log}"
+DST="${2:-/tmp/app.log.gz}"
+gzip -c "$SRC" > "$DST"
+echo "$DST"

example_projects/bash_log_shipper/etc/shipper.conf

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+retention_days=7
+max_size_mb=50

example_projects/cpp_cache_indexer/PROJECT_META.md

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+# cpp_cache_indexer
+
+- stack: cpp
+- validator: cmake --build . && ctest
+- common_failure_modes: header/impl mismatch, parser edge cases
+
+## Scope
+
+Small representative project for training data generation.

example_projects/cpp_cache_indexer/TASKS.md

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+# Task Seeds: cpp_cache_indexer
+
+include/indexer.h, src/indexer.cpp
+
+## Validator
+
+`cmake --build . && ctest`

example_projects/cpp_cache_indexer/include/indexer.h

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+#pragma once
+#include <string>
+#include <vector>
+std::vector<std::string> tokenize(const std::string& line);

example_projects/cpp_cache_indexer/src/indexer.cpp

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+#include "indexer.h"
+#include <sstream>
+
+std::vector<std::string> tokenize(const std::string& line) {
+  std::istringstream in(line);
+  std::vector<std::string> out;
+  std::string tok;
+  while (in >> tok) out.push_back(tok);
+  return out;
+}

example_projects/go_worker_pool/PROJECT_META.md

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+# go_worker_pool
+
+- stack: go
+- validator: go test ./...
+- common_failure_modes: dependency order, wrong package path, nil handling
+
+## Scope
+
+Small representative project for training data generation.

example_projects/go_worker_pool/TASKS.md

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+# Task Seeds: go_worker_pool
+
+cmd/worker/main.go, internal/queue/queue.go
+
+## Validator
+
+`go test ./...`

example_projects/go_worker_pool/cmd/worker/main.go

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+package main
+
+import (
+	"fmt"
+	"example/internal/queue"
+)
+
+func main() {
+	jobs := []queue.Job{}
+	jobs = queue.Enqueue(jobs, queue.Job{ID: "job-1"})
+	fmt.Println(len(jobs))
+}

example_projects/go_worker_pool/internal/queue/queue.go

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+package queue
+
+type Job struct {
+	ID string
+}
+
+func Enqueue(q []Job, j Job) []Job {
+	return append(q, j)
+}

example_projects/java_order_service/PROJECT_META.md

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+# java_order_service
+
+- stack: java
+- validator: mvn -q test
+- common_failure_modes: null checks, quantity rules, test gaps
+
+## Scope
+
+Small representative project for training data generation.

example_projects/java_order_service/TASKS.md

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+# Task Seeds: java_order_service
+
+src/main/java/app/*.java
+
+## Validator
+
+`mvn -q test`

example_projects/java_order_service/src/main/java/app/Order.java

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+package app;
+public record Order(String id, int quantity) {}

example_projects/java_order_service/src/main/java/app/OrderValidator.java

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+package app;
+public class OrderValidator {
+  public static boolean valid(Order order) {
+    return order != null && order.quantity() > 0;
+  }
+}

example_projects/node_api_gateway/PROJECT_META.md

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+# node_api_gateway
+
+- stack: node
+- validator: node test/server.test.js
+- common_failure_modes: route mismatch, status/body drift, invalid json
+
+## Scope
+
+Small representative project for training data generation.

example_projects/node_api_gateway/TASKS.md

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+# Task Seeds: node_api_gateway
+
+src/server.js, test/server.test.js
+
+## Validator
+
+`node test/server.test.js`

example_projects/node_api_gateway/src/server.js

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+const http = require("http");
+
+function health() {
+  return { ok: true, service: "gateway" };
+}
+
+const server = http.createServer((_req, res) => {
+  res.writeHead(200, { "Content-Type": "application/json" });
+  res.end(JSON.stringify(health()));
+});
+
+if (require.main === module) {
+  server.listen(8080);
+}
+
+module.exports = { health };

example_projects/node_api_gateway/test/server.test.js

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+const assert = require("assert");
+const { health } = require("../src/server");
+assert.equal(health().ok, true);

example_projects/py_cli_todo/PROJECT_META.md

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+# py_cli_todo
+
+- stack: python
+- validator: pytest -q
+- common_failure_modes: arg validation, off-by-one index, missing tests
+
+## Scope
+
+Small representative project for training data generation.

example_projects/py_cli_todo/TASKS.md

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+# Task Seeds: py_cli_todo
+
+src/todo.py, tests/test_todo.py
+
+## Validator
+
+`pytest -q`

example_projects/py_cli_todo/src/todo.py

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+def add_task(tasks, title):
+    title = title.strip()
+    if not title:
+        raise ValueError("title is required")
+    tasks.append({"title": title, "done": False})
+    return tasks
+
+
+def complete_task(tasks, index):
+    tasks[index]["done"] = True
+    return tasks

example_projects/py_cli_todo/tests/test_todo.py

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+from src.todo import add_task, complete_task
+
+
+def test_add_and_complete():
+    tasks = []
+    add_task(tasks, "pay bills")
+    complete_task(tasks, 0)
+    assert tasks[0]["done"] is True

example_projects/react_admin_panel/PROJECT_META.md

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+# react_admin_panel
+
+- stack: react
+- validator: npm test -- --watch=false
+- common_failure_modes: component state misuse, prop mismatch
+
+## Scope
+
+Small representative project for training data generation.

example_projects/react_admin_panel/TASKS.md

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+# Task Seeds: react_admin_panel
+
+src/App.jsx, src/components/UserTable.jsx
+
+## Validator
+
+`npm test -- --watch=false`

example_projects/react_admin_panel/src/App.jsx

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+import React from "react";
+export default function App() {
+  return <main><h1>Admin Panel</h1></main>;
+}

example_projects/react_admin_panel/src/components/UserTable.jsx

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+import React from "react";
+export function UserTable() {
+  return <table><tbody></tbody></table>;
+}

example_projects/rust_metrics_agent/PROJECT_META.md

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+# rust_metrics_agent
+
+- stack: rust
+- validator: cargo test
+- common_failure_modes: parse failures, error propagation, type mismatch
+
+## Scope
+
+Small representative project for training data generation.

example_projects/rust_metrics_agent/TASKS.md

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+# Task Seeds: rust_metrics_agent
+
+src/main.rs
+
+## Validator
+
+`cargo test`

example_projects/rust_metrics_agent/src/main.rs

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+fn parse_metric(line: &str) -> Option<(&str, i64)> {
+    let parts: Vec<&str> = line.split('=').collect();
+    if parts.len() != 2 {
+        return None;
+    }
+    let value = parts[1].parse::<i64>().ok()?;
+    Some((parts[0], value))
+}
+
+fn main() {
+    let _ = parse_metric("requests=10");
+}

example_projects/sql_etl_pipeline/PROJECT_META.md

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+# sql_etl_pipeline
+
+- stack: sql
+- validator: sqllogictest tests/*.slt
+- common_failure_modes: schema drift, non-idempotent transforms
+
+## Scope
+
+Small representative project for training data generation.

example_projects/sql_etl_pipeline/TASKS.md

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+# Task Seeds: sql_etl_pipeline
+
+sql/001_create_tables.sql, sql/010_transform.sql
+
+## Validator
+
+`sqllogictest tests/*.slt`

example_projects/sql_etl_pipeline/sql/001_create_tables.sql

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+CREATE TABLE IF NOT EXISTS events (
+  id TEXT PRIMARY KEY,
+  ts TEXT NOT NULL,
+  kind TEXT NOT NULL
+);

example_projects/sql_etl_pipeline/sql/010_transform.sql

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+INSERT INTO events (id, ts, kind)
+SELECT id, ts, kind FROM staging_events;

example_projects/terraform_vpc_stack/PROJECT_META.md

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+# terraform_vpc_stack
+
+- stack: terraform
+- validator: terraform validate
+- common_failure_modes: resource drift, provider/schema mismatch
+
+## Scope
+
+Small representative project for training data generation.

example_projects/terraform_vpc_stack/TASKS.md

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+# Task Seeds: terraform_vpc_stack
+
+main.tf
+
+## Validator
+
+`terraform validate`

example_projects/terraform_vpc_stack/main.tf

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+terraform {
+  required_version = ">= 1.5.0"
+}
+
+resource "null_resource" "example" {}