add python scaffold folder and autodevelopment system

.cursor/skills/plan/templates/test-data.md

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+# Test Data Template
+
+Save as `DOCUMENT_DIR/tests/test-data.md`.
+
+---
+
+```markdown
+# Test Data Management
+
+## Seed Data Sets
+
+| Data Set | Description | Used by Tests | How Loaded | Cleanup |
+|----------|-------------|---------------|-----------|---------|
+| [name] | [what it contains] | [test IDs] | [SQL script / API call / fixture file / volume mount] | [how removed after test] |
+
+## Data Isolation Strategy
+
+[e.g., each test run gets a fresh container restart, or transactions are rolled back, or namespaced data, or separate DB per test group]
+
+## Input Data Mapping
+
+| Input Data File | Source Location | Description | Covers Scenarios |
+|-----------------|----------------|-------------|-----------------|
+| [filename] | `_docs/00_problem/input_data/[filename]` | [what it contains] | [test IDs that use this data] |
+
+## Expected Results Mapping
+
+| Test Scenario ID | Input Data | Expected Result | Comparison Method | Tolerance | Expected Result Source |
+|-----------------|------------|-----------------|-------------------|-----------|----------------------|
+| [test ID] | `input_data/[filename]` | [quantifiable expected output] | [exact / tolerance / pattern / threshold / file-diff] | [± value or N/A] | `input_data/expected_results/[filename]` or inline |
+
+## External Dependency Mocks
+
+| External Service | Mock/Stub | How Provided | Behavior |
+|-----------------|-----------|-------------|----------|
+| [service name] | [mock type] | [Docker service / in-process stub / recorded responses] | [what it returns / simulates] |
+
+## Data Validation Rules
+
+| Data Type | Validation | Invalid Examples | Expected System Behavior |
+|-----------|-----------|-----------------|------------------------|
+| [type] | [rules] | [invalid input examples] | [how system should respond] |
+```
+
+---
+
+## Guidance Notes
+
+- Every seed data set should be traceable to specific test scenarios.
+- Input data from `_docs/00_problem/input_data/` should be mapped to test scenarios that use it.
+- Every input data item MUST have a corresponding expected result in the Expected Results Mapping table.
+- Expected results MUST be quantifiable: exact values, numeric tolerances, pattern matches, thresholds, or reference files. "Works correctly" is never acceptable.
+- For complex expected outputs, provide machine-readable reference files (JSON, CSV) in `_docs/00_problem/input_data/expected_results/` and reference them in the mapping.
+- External mocks must be deterministic — same input always produces same output.
+- Data isolation must guarantee no test can affect another test's outcome.