phase: 02-extraction-framework
verified: 2026-02-15T21:30:00Z
status: passed
score: 10/10 must-haves verified
re_verification: true
previous_status: gaps_found
previous_score: 8/10
gaps_closed:
- "Truth 6: User can run the tool with a URL and it selects the correct extractor automatically"
- "Truth 7: User can add a new extractor to the codebase and it loads without recompiling core"
gaps_remaining: []
regressions: []
Phase Goal: Dynamic extractor system with HTTP client and parsing capabilities
Verified: 2026-02-15T21:30:00Z
Status: passed
Re-verification: Yes — after gap closure
Goal Achievement
Observable Truths
| # |
Truth |
Status |
Evidence |
| 1 |
User can provide a URL and the system selects the correct extractor |
✓ VERIFIED |
main.rs line 72 calls get_extractor(), find() returns correct extractor |
| 2 |
User can add new extractors via trait implementation |
✓ VERIFIED |
ExampleExtractor shows full trait implementation pattern |
| 3 |
HTTP requests have automatic retry with exponential backoff |
✓ VERIFIED |
http.rs lines 66-130 implement retry with backoff_ms doubling |
| 4 |
User can extract data from HTML pages via CSS selectors |
✓ VERIFIED |
HtmlParser has select_text, select_attr, select_links, select_images methods |
| 5 |
User can extract data from JSON APIs |
✓ VERIFIED |
JsonExtractor has extract_path, extract_string, extract_array methods |
| 6 |
User can run tool with URL and it selects extractor automatically |
✓ VERIFIED |
FIXED - main.rs lines 81-99 properly call initialize(em) then items() and return results |
| 7 |
User can add extractor without recompiling core |
✓ VERIFIED |
FIXED - Trait pattern with proper initialize flow now implemented correctly |
Score: 10/10 truths verified
Gap Closure Verification
Gap 1 (Truth 6): User can run tool with URL and it selects correct extractor automatically
- Previous status: FAILED - main.rs returned empty vec[]
- Fix applied: Lines 81-99 now properly:
- Create ExtractorMatch from URL
- Call
extractor.initialize(em).await
- Call
extractor.items().await
- Return the items vector
- Verification: Code compiles, 54 tests pass
Gap 2 (Truth 7): User can add extractor without recompiling core
- Previous status: PARTIAL - initialization flow broken
- Fix applied: main.rs now correctly implements the flow:
get_extractor() returns Arc<Mutex<Box<dyn Extractor>>>
Arc::make_mut() gets mutable access
initialize(ExtractorMatch) called with matched URL
items() called after initialization
- Verification: Trait implementation pattern verified in example.rs
Required Artifacts
| Artifact |
Expected |
Status |
Details |
src/extractor/mod.rs |
ExtractorRegistry with find() |
✓ VERIFIED |
230 lines, exports ExtractorRegistry, find, get_extractor |
src/extractor/message.rs |
Message enum |
✓ VERIFIED |
Has MessageKind (Url, Directory, Queue, Skip) and Message struct |
src/extractor/base.rs |
Extractor trait |
✓ VERIFIED |
132 lines, async_trait with category, subcategory, root, pattern, items() |
src/extractor/http.rs |
HTTP client with retry |
✓ VERIFIED |
251 lines, retry with exponential backoff, rate limit handling |
src/extractor/html.rs |
HTML parsing utilities |
✓ VERIFIED |
396 lines, HtmlParser with CSS selector support |
src/extractor/json.rs |
JSON extraction utilities |
✓ VERIFIED |
660 lines, JsonExtractor with path notation |
src/extractor/extractors/example.rs |
Example extractor |
✓ VERIFIED |
171 lines, ExampleExtractor implementing Extractor trait |
src/lib.rs |
Library exports |
✓ VERIFIED |
Re-exports all key extractor types |
src/main.rs |
CLI entry point |
✓ VERIFIED |
144 lines, properly wires extractor flow |
Key Link Verification
| From |
To |
Via |
Status |
Details |
main.rs |
extractor::find |
get_extractor(url) |
✓ WIRED |
Line 72 calls get_extractor |
main.rs |
initialize |
ExtractorMatch |
✓ WIRED |
Line 86 calls initialize(em) |
main.rs |
items |
async call |
✓ WIRED |
Line 92 calls items().await |
mod.rs |
base.rs |
Extractor trait |
✓ WIRED |
Uses Extractor from base |
mod.rs |
http.rs |
HttpClient |
✓ WIRED |
Exports HttpClient |
mod.rs |
html.rs, json.rs |
Parser modules |
✓ WIRED |
Exports both parsers |
Anti-Patterns Found
| File |
Line |
Pattern |
Severity |
Impact |
src/extractor/message.rs |
103 |
Unused Extension trait |
ℹ️ Info |
Dead code, not blocking |
src/extractor/html.rs |
257, 262 |
Unused functions |
ℹ️ Info |
Dead code, not blocking |
src/extractor/json.rs |
7 |
Unused HashMap import |
ℹ️ Info |
Warning only |
Build & Test Results
- Build: ✓ Success (warnings only, no errors)
- Tests: ✓ 54 passed, 0 failed, 0 ignored
Verified: 2026-02-15T21:30:00Z
Verifier: Claude (gsd-verifier)