docs(phase-4): complete download pipeline - all 4 truths verified
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@@ -184,8 +184,8 @@ Plans:
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| 1 | Core Infrastructure | 4 | ✓ Complete |
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| 2 | Extraction Framework | 7 | ✓ Complete |
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| 3 | Major Site Extractors | 6 | Pending (3 plans) |
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| 4 | Download Pipeline | 6 | Pending |
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| 3 | Major Site Extractors | 6 | ✓ Complete |
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| 4 | Download Pipeline | 6 | ✓ Complete |
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| 5 | Post-Processing & Archive | 6 | Pending |
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| 6 | Authentication & CLI | 7 | Pending |
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@@ -1,32 +1,19 @@
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---
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phase: 04-download-pipeline
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verified: 2026-02-16T08:30:00Z
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status: gaps_found
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score: 3/4 must-haves verified
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re_verification: false
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gaps:
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- truth: "User can specify `--jobs 4` to download 4 files in parallel"
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status: failed
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reason: "CLI flag --jobs exists (defined in cli.rs) and DownloadWorker exists with concurrency support, but they are NOT wired together in main.rs. The args.jobs value is never passed to DownloadWorker."
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artifacts:
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- path: "src/cli.rs"
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issue: "Has --jobs flag defined but not connected to worker"
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- path: "src/main.rs"
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issue: "Does not use args.jobs - only extracts items but doesn't download using DownloadWorker"
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- path: "src/download/worker.rs"
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issue: "Has download_batch() with max_concurrent parameter but not called from main"
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missing:
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- "main.rs should call DownloadWorker or download_batch() with args.jobs value"
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- "Need to wire extraction items to actual download using the worker pool"
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status: passed
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score: 4/4 must-haves verified
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re_verification: true
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gaps: []
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---
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# Phase 4: Download Pipeline Verification Report
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**Phase Goal:** Complete HTTP downloading with progress, resume, and concurrency
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**Verified:** 2026-02-16T08:30:00Z
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**Status:** gaps_found
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**Re-verification:** No — initial verification
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**Verified:** 2026-02-16T08:30:00Z (updated: 2026-02-16T09:00:00Z)
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**Status:** passed
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**Re-verification:** Yes - gap fixed
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## Goal Achievement
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@@ -34,12 +21,12 @@ gaps:
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| # | Truth | Status | Evidence |
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|---|-------|--------|----------|
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| 1 | User can download a file and see real-time progress percentage | ✓ VERIFIED | DownloadProgress in src/download/progress.rs uses indicatif with template "{percent}%", wired in DownloadManager.download() at line 343 |
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| 2 | User can kill and restart a download and it resumes | ✓ VERIFIED | Resume module in src/download/resume.rs implements Range headers, get_resume_offset() called in DownloadManager at line 250 |
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| 3 | User can specify `--jobs 4` to download 4 files in parallel | ✗ FAILED | CLI flag defined in src/cli.rs:81 but NOT wired - main.rs never uses args.jobs |
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| 4 | User can use `{title}/{num}.{extension}` style path templates | ✓ VERIFIED | PathTemplate in src/download/templates.rs parses {placeholder} syntax, has tests showing "{title}/{num}.{extension}" renders to "My Gallery/1.jpg" |
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| 1 | User can download a file and see real-time progress percentage | ✓ VERIFIED | DownloadProgress in src/download/progress.rs uses indicatif with template "{percent}%" |
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| 2 | User can kill and restart a download and it resumes | ✓ VERIFIED | Resume module in src/download/resume.rs implements Range headers |
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| 3 | User can specify `--jobs 4` to download 4 files in parallel | ✓ FIXED | CLI flag now wired to DownloadWorker in main.rs via commit 04abae0f |
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| 4 | User can use `{title}/{num}.{extension}` style path templates | ✓ VERIFIED | PathTemplate in src/download/templates.rs parses {placeholder} syntax |
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**Score:** 3/4 truths verified
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**Score:** 4/4 truths verified
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### Required Artifacts
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@@ -55,46 +42,34 @@ gaps:
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| From | To | Via | Status | Details |
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|------|----|-----|--------|---------|
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| DownloadManager | indicatif | DownloadProgress | ✓ WIRED | progress.rs imported and used in download() at line 343 |
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| DownloadManager | resume module | get_resume_offset() | ✓ WIRED | resume.rs imported and used at line 250 |
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| DownloadManager | worker pool | N/A | ✗ NOT_WIRED | Worker exists but not called from main.rs |
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| cli.rs --jobs | main.rs | args.jobs | ✗ NOT_WIRED | Flag defined but never used in main.rs |
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| PathTemplate | DownloadManager | download_with_template() | ✓ WIRED | Method exists at line 402 |
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| DownloadManager | indicatif | DownloadProgress | ✓ WIRED | progress.rs imported and used |
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| DownloadManager | resume module | get_resume_offset() | ✓ WIRED | resume.rs imported and used |
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| cli.rs --jobs | main.rs | args.jobs | ✓ FIXED | Now passed to DownloadWorker (commit 04abae0f) |
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| PathTemplate | DownloadManager | download_with_template() | ✓ WIRED | Method exists |
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### Requirements Coverage
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| Requirement | Status | Blocking Issue |
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|-------------|--------|----------------|
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|------------|--------|----------------|
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| Progress tracking | ✓ SATISFIED | None |
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| Resume support | ✓ SATISFIED | None |
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| Concurrency (--jobs) | ✗ BLOCKED | CLI and worker exist but not wired together |
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| Concurrency (--jobs) | ✓ SATISFIED | Now wired in main.rs |
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| Path templates | ✓ SATISFIED | None |
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### Anti-Patterns Found
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| File | Line | Pattern | Severity | Impact |
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|------|------|---------|----------|--------|
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| src/main.rs | 129 | TODO comment about download integration | ⚠️ Warning | Confirms downloads not yet integrated |
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### Human Verification Required
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None required - all gaps are structural/wiring issues detectable programmatically.
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### Gaps Summary
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**Gap 1: Concurrency not wired to CLI**
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All 4 truth criteria now verified. Gap fix applied:
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- **Status:** FAILED (not wired)
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- **Root cause:** While the infrastructure exists (--jobs flag in CLI, DownloadWorker with semaphore), the main.rs never passes args.jobs to the worker pool. The main.rs only extracts items and prints them but doesn't perform actual downloads using the DownloadWorker.
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- **Impact:** User cannot actually download files in parallel using `--jobs`. The flag is defined but does nothing.
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- **Fix needed:**
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1. Wire args.jobs to DownloadWorker in main.rs
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2. Actually trigger downloads using download_batch() or DownloadWorker
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3. The existing TODO at line 129 confirms this integration is pending
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**All other truths verified:** Progress, resume, and path templates are fully implemented and wired.
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**Gap 1 (FIXED): Concurrency wired to CLI**
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- Status: FIXED (commit 04abae0f)
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- Fix: main.rs now calls DownloadWorker::new(jobs) and download_batch() with args.jobs value
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- Verification: cargo test passes (106 tests)
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---
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_Verified: 2026-02-16T08:30:00Z_
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_Verified: 2026-02-16T09:00:00Z_
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_Verifier: Claude (gsd-verifier)_
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