docs: verify epic slice for #582 on main

docs/issue-582-verification.md

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+# Issue #582 Verification
+
+## Status: ✅ EPIC SLICE ALREADY IMPLEMENTED ON MAIN
+
+Issue #582 is a parent epic, not a single atomic feature. The repo already contains the epic-level operational slice that ties the merged Know Thy Father phases together, but the epic remains open because fully consuming the local archive and wiring every downstream memory path is a larger horizon than this one slice.
+
+## Mainline evidence
+
+The parent-epic operational slice is already present on `main` in a fresh clone:
+- `scripts/know_thy_father/epic_pipeline.py`
+- `docs/KNOW_THY_FATHER_MULTIMODAL_PIPELINE.md`
+- `tests/test_know_thy_father_pipeline.py`
+
+What that slice already does:
+- enumerates the current source-of-truth scripts for all Know Thy Father phases
+- provides one operational runner/status view for the epic
+- preserves the split implementation truth across `scripts/know_thy_father/`, `scripts/twitter_archive/analyze_media.py`, and `twitter-archive/know-thy-father/tracker.py`
+- gives the epic a single orchestration spine without falsely claiming the full archive is already processed end-to-end
+
+## Phase evidence already merged on main
+
+The four decomposed phase lanes named by the epic already have merged implementation coverage on `main`:
+- PR #639 — Phase 1 media indexing
+- PR #630 — Phase 2 multimodal analysis pipeline
+- PR #631 — Phase 3 holographic synthesis
+- PR #637 — Phase 4 cross-reference audit
+- PR #641 — additional Phase 2 multimodal analysis coverage
+
+## Historical trail for the epic-level slice
+
+- PR #738 shipped the parent-epic orchestrator/status slice on branch `fix/582`
+- issue comment #57259 already points to that orchestrator/status slice and explains why it used `Refs #582`
+- PR #738 is now closed unmerged, but the epic-level runner/doc/test trio is present on `main` today and passes targeted verification from a fresh clone
+
+## Verification run from fresh clone
+
+Commands executed:
+- `python3 -m pytest tests/test_know_thy_father_pipeline.py tests/test_know_thy_father_index.py tests/test_know_thy_father_synthesis.py tests/test_know_thy_father_crossref.py tests/twitter_archive/test_ktf_tracker.py tests/twitter_archive/test_analyze_media.py -q`
+
+Observed result:
+- the orchestrator/doc tests pass
+- the phase-level index, synthesis, cross-reference, tracker, and media-analysis tests pass
+- the repo already contains a working parent-epic operational spine plus merged phase implementations
+
+## Why the epic remains open
+
+The epic remains open because this verification only proves the current repo-side operational slice is already implemented on main. It does not claim:
+- the full local archive has been consumed
+- all pending media has been processed
+- every extracted kernel has been ingested into downstream memory systems
+- the broader multimodal consumption mission is complete
+
+## Recommendation
+
+Do not rebuild the same epic-level orchestrator again.
+Use the existing mainline slice (`scripts/know_thy_father/epic_pipeline.py` + `docs/KNOW_THY_FATHER_MULTIMODAL_PIPELINE.md`) as the parent-epic operational entrypoint.
+This verification PR exists to preserve the evidence trail cleanly while making it explicit that the epic remains open for future end-to-end progress.

tests/test_issue_582_verification.py

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+from pathlib import Path
+
+
+def test_issue_582_verification_doc_exists_with_epic_slice_evidence() -> None:
+    text = Path("docs/issue-582-verification.md").read_text(encoding="utf-8")
+
+    required_snippets = [
+        "# Issue #582 Verification",
+        "## Status: ✅ EPIC SLICE ALREADY IMPLEMENTED ON MAIN",
+        "scripts/know_thy_father/epic_pipeline.py",
+        "docs/KNOW_THY_FATHER_MULTIMODAL_PIPELINE.md",
+        "tests/test_know_thy_father_pipeline.py",
+        "PR #639",
+        "PR #630",
+        "PR #631",
+        "PR #637",
+        "PR #641",
+        "PR #738",
+        "issue comment #57259",
+        "python3 -m pytest tests/test_know_thy_father_pipeline.py tests/test_know_thy_father_index.py tests/test_know_thy_father_synthesis.py tests/test_know_thy_father_crossref.py tests/twitter_archive/test_ktf_tracker.py tests/twitter_archive/test_analyze_media.py -q",
+        "epic remains open",
+    ]
+
+    missing = [snippet for snippet in required_snippets if snippet not in text]
+    assert not missing, missing