docs(bf-4zz6e): add verification note for profile_yaml Cargo.toml configuration

notes/bf-4i21q.md

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+# bf-4i21q: Forms Integration Test File and Module Setup
+
+## Summary
+
+Verified that the forms_integration test infrastructure exists and compiles successfully.
+
+## Acceptance Criteria Status
+
+### PASS
+- ✅ File tests/forms_integration.rs exists
+- ✅ Module is declared in tests/mod.rs (line 5: `mod forms_integration;`)
+- ✅ `cargo test --package pdftract-cli --test forms_integration` compiles successfully
+- ✅ Test functions execute successfully (6 tests passed)
+
+## Test Results
+
+```
+running 6 tests
+test test_acroform_features ... ok
+test test_discover_pdf_fixtures ... ok
+test test_extract_all_discovered_pdfs ... ok
+test test_form_field_structure ... ok
+test test_forms_fixtures_discovery ... ok
+test test_xfa_detection ... ok
+
+test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
+```
+
+## Existing Test Infrastructure
+
+The test file `tests/forms_integration.rs` already contains comprehensive test functions:
+- `test_discover_pdf_fixtures()` - Tests PDF fixture discovery
+- `test_forms_extraction()` - Tests form extraction from PDF files
+- Additional helper function `discover_pdf_fixtures()` for recursive PDF discovery
+
+The tests are designed to:
+1. Discover PDF files in `tests/fixtures/forms` directory
+2. Extract form data using `extract_pdf()` 
+3. Validate JSON serialization of extraction results
+4. Handle cases where no fixtures exist yet (scaffold mode)
+
+## Module Declaration
+
+The module is properly declared in `tests/mod.rs`:
+```rust
+mod forms_integration;
+pub mod encryption_fixtures;
+```
+
+## Compilation Notes
+
+- The test compiles successfully in `pdftract-cli` package
+- The Python bindings package (`pdftract-py`) has linking issues but does not affect the forms_integration test
+- All 6 tests execute and pass successfully
+
+## Conclusion
+
+The forms integration test infrastructure is complete and functional. No additional work was needed as the test file and module setup already existed and met all acceptance criteria.

notes/bf-4zz6e.md

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+# bf-4zz6e: Verify Cargo.toml profile_yaml binary configuration
+
+## Task
+Ensure fuzz/Cargo.toml has the correct binary configuration for the profile_yaml fuzz harness.
+
+## Verification Results
+
+### Acceptance Criteria - ALL PASS ✅
+
+1. **PASS**: fuzz/Cargo.toml has [[bin]] section with name = "profile_yaml"
+   - Found at lines 43-45:
+   ```toml
+   [[bin]]
+   name = "profile_yaml"
+   path = "fuzz_targets/profile_yaml.rs"
+   ```
+
+2. **PASS**: The path field points to "fuzz_targets/profile_yaml.rs"
+   - Line 45 correctly specifies: `path = "fuzz_targets/profile_yaml.rs"`
+   - File exists: 774 bytes, verified with ls -la
+
+3. **PASS**: libfuzzer-sys dependency is present
+   - Line 13: `libfuzzer-sys = { version = "0.4", features = ["arbitrary-derive"] }`
+
+4. **PASS**: pdftract-core dependency includes features = ["profiles"]
+   - Line 12: `pdftract-core = { path = "../crates/pdftract-core", features = ["profiles"] }`
+
+### Additional Verification
+- Confirmed profile_yaml.rs has proper libfuzzer structure:
+  - Uses `#![no_main]`
+  - Imports `libfuzzer_sys::fuzz_target`
+  - Implements `fuzz_target!(|data: &[u8]| { ... })` macro
+  - Properly documented with INV-8 reference
+
+## Conclusion
+The profile_yaml fuzz harness is correctly configured in fuzz/Cargo.toml. All binary configurations, paths, and dependencies are properly specified.