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/sql_etl_pipeline/PROJECT_META.md

@@ -0,0 +1,9 @@
+# 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

@@ -0,0 +1,7 @@
+# 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

@@ -0,0 +1,5 @@
+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

@@ -0,0 +1,2 @@
+INSERT INTO events (id, ts, kind)
+SELECT id, ts, kind FROM staging_events;