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/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" {}