feat(sources): Wayback pass, automatic trimming, detention rule, ten cases re-sourced

Second and third rounds on the dossier pipeline, reviewed locally before commit.

Retrieval
- wayback_pass.py: retries every BLOCKED/DEAD/THIN/ERROR linked source through
  the Wayback Machine; blocks carry the snapshot date, archive URL and the live
  verdict. 143 slots retried: 93 fetched, 37 no snapshot, 12 script shells, 1 PDF.
- fetch_sources.py: fetch_wayback() helper.
- add_extra_sources.py: files staged extra_* finds (web search, not on the DB
  record) into the store with a provenance note.
- Cases re-sourced by web search: 248 (Oslo: Document.no, Avisa Oslo, NRK; the
  linked Le Parisien piece is case 242 and is marked OFF-CASE), 258 Kharkiv,
  260 Singapore, 358 Bangkok, 365 Las Vegas, 388 Verneuil-sur-Seine, 390 Zoersel,
  430 Homestead. 341 of 364 cases now hold a fetched article; 11, 66 and 399
  have no public text source (podcast, police video, direct victim report).

Trimming
- auto_trim.py: case-anchored furniture cut for UNTRIMMED blocks. Finds the body
  run that mentions the case, merges across subheadings and short furniture
  gaps, drops teasers, share bars, date/URL/caption lines and subscription
  pitches; refuses pages with no record term or almost no body. 302 blocks
  trimmed; 16 left on auto-trim-review.md (7 OFF-CASE suspects). Every cut is
  labelled AUTO-TRIMMED, UNREVIEWED in the dossier; the full extract stays in
  staging/. Decisions with anchors in trim-decisions-auto.json.
- build_cases.py / verify_all.py: banners for auto-trimmed and archived blocks,
  staged-file check extended to Wayback blocks, flag legend under the record.

Detention rule
- README "Definitions": the DB field `kidnappings` is the DETENTION violence
  type (victim, guard, staff or relative held to force submission or execute
  the theft), distinct from the Kidnapping scenario (taken away and held).
- detention-flag-review.md / detention-flag-corrections.json: 40 records
  reviewed with evidence; 30 set-to-1 proposals accepted by the owner on
  2026-09-06 (listed in corrections-approved.md), 10 still open.
- apply_detention_wording.py: "Violence Used" in the 70 reviewed summaries now
  names detention explicitly (62 of 70 labelled), supported by the summary's
  own text; idempotent; supersedes the batch scripts' wording.

Worklist and docs
- sofia-worklist.md: 248 decisions, detention rule item replacing the old
  "no abduction" item, fresh-search section for the textless cases.
- README-START-HERE.md: progress notes, run commands, next steps.
- Bug fixed in passing: Wayback blocks stored in-memory text with carriage
  returns; now stored as read back from disk.

verify_all.py PASSES (2321 checks).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GZZENdTLzNGsbNy4DyF1yt

merge-output/sources/231_Mining-Facility.txt

@@ -26,6 +26,9 @@ DATABASE RECORD
   notes               * Crypto mining facility invasion, not home invasion. Police chased them away before anyone was hurt or anything was taken
   has_processed_date  1
   created_at          2025-11-13 05:44:45
+  (flag legend: 'kidnappings' is the DETENTION flag — 1 when the victim was held against
+   their will at any point, tied, locked in, held at gunpoint or taken away; it is NOT the
+   same as the 'Kidnapping' scenario, which means taken away and held. See README, Definitions.)
 
 AI SUMMARY  [revised on review, verified against the sources in this file. Live DB still holds the shorter bulk-import summary — apply this to it.]
   **Victims:** A cryptocurrency mining company operating in Coronel Bogado, Paraguay.
@@ -66,19 +69,19 @@ As for the owner of the mining company where the foreigners worked, Rolón state
 In addition, the prosecutor urged the businessman to have legal advice to guarantee that the process is carried out under the current regulatory framework.
 
 ------------------------------------------------------------------------------------------------
-FETCHED ARTICLE 1  [RAW EXTRACT — NOT YET TRIMMED]
-  !! This is the whole page as extracted. It still contains site furniture,
-  !! and may contain teaser headlines for UNRELATED cases. Trim on read-through.
-  !! Do not quote from it without checking the passage belongs to this case.
+FETCHED ARTICLE 1  [AUTO-TRIMMED — UNREVIEWED]
+  !! Furniture was cut by a script keyed on this case's record, not by a person.
+  !! It may still carry passages about OTHER cases from a round-up article.
+  !! The full page extract is kept in staging/ if a cut needs revisiting.
   Source     monumental.com.py
   URL        https://www.monumental.com.py/secciones/va-con-onda/expulsan-a-ciudadanos-chinos-tras-intento-de-asalto-a-criptomineria-en-coronel-bogado
   Field      url
   Retrieved  2026-09-05T12:47:20+00:00 via raw HTTP retrieval, deterministic extraction (HTTP 200)
   Language   unknown
-  Kept       paragraphs ALL 21 paragraphs, untrimmed
-  Length     3,496 chars
-  Integrity  sha256 86181a978a9f43bdf9de3493d4eca1484fb0244bd82a4c323dd3f4252d2c30b1
-  Trimmed    NOT TRIMMED. Full page extract; trim on read-through.
+  Kept       paragraphs 0-19 of 21
+  Length     3,469 chars
+  Integrity  sha256 52a1cda0a33018b9b488bcc464022fdac082412399e70829d9fc307602244011
+  Trimmed    AUTO-TRIMMED, unreviewed: kept paragraphs 0-19; dropped 0 leading and 1 trailing paragraphs. Case-term hits on page: 19.
   Caveat     retrieved from a live page on the date above. Unlike text copied
              from the spreadsheet, there is no second copy to hash it against.
 ------------------------------------------------------------------------------------------------
@@ -125,8 +128,6 @@ Rolón Luna rechaza versión de Cibils: “los juzgados eran oficinas de cobranz
 
 Abogado de víctimas comparó defensa de Cibils con Pastor Coronel y afirmó que practicantes eran empleados de casas de crédito.
 
-Mayo 28, 2026 11:41 a. m.
-
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 generated from attacks-export-Gart-website.json + reported_K&R  |  case 231
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