de:wasserversorger-enrich

Journal entry written. Final report:

Enriched 30 more Wasserversorger companies (2 subagent shards of 15, both fully accounted for and validated before merge). The standout finding: 5 major national/regional utilities (Berliner Wasserbetriebe, Hamburger Wasserwerke, Stadtwerke München, RheinEnergie, GELSENWASSER — combined 9.4M served) had sat unenriched since the 08-12 pilot despite resolved domains; enriching them yielded Hamburg's 27-municipality and GELSENWASSER's 32-municipality supply-area lists, pushing population coverage from 89.15% to 89.27% (+16 municipalities) — a larger jump than typical for an enrich-only pass. 325/2222 companies now enriched (~14.6%); only 1 pending_domain row remains in the queue (24 got researched this pass, all but one — Wittmoldt — confirmed as genuine "no independent site" negatives). No new duplicate mints or domain collisions; full details and open flags (a dual-mandate Wasserverband worth a second look, a timing-out host, a missing PDF-reading toolchain) logged in the journal for the next run.

Scheduled run. Read CLAUDE.md and the tail of this journal, then SKILL.md in full. _tasks/netzbetreiber-contact/german-water/ still absent from this checkout — inlined the full method (field lists, worked example, record shape) into both subagent prompts again. Confirmed on-disk state before starting: 2222 companies (post 08:00 vg11 discover run), 295 enriched, 89.15% population coverage — matched journal exactly.

Batch build: build_enrich_batch.mjs 30 2026-08-29-1030 → 25 pending_domain rows in the pending tier of 1952, batch 25 pending_domain + 5 by-population. Caught the carried duplicate again before dispatch: wv-de-7505 (Wiesenbachgruppe) surfaced in shard A — same known duplicate of already-enriched wv-de-1415 (7th appearance in the journal now, still unmerged/append-only). Excluded it; since every other pending_domain row was already in the batch, substituted from the population-ordered "rest" tier instead — wv-de-3005 (RWW Rheinisch-Westfälische Wasserwerksgesellschaft mbH, pop 859,568), a legitimately unenriched large utility that had simply never come up before despite its size. Checked all other open duplicate/collision IDs (wv-de-3925/8502, wv-de-1148/8515, wv-de-7562/10522, wv-de-7722/11041, wv-de-10013/11012) — none in this batch.

Discovery mid-run: while building the batch, noticed 5 well-known national/regional utilities (Berliner Wasserbetriebe, Hamburger Wasserwerke, Stadtwerke München, RheinEnergie, GELSENWASSER — combined pop_served 9.37M) were still fully unenriched despite domain_status: resolved since 2026-08-12/13 — they were seeded during the original pilot with roster fields filled but never ran through a full enrichment pass. Deliberately routed all 5 into shard B alongside 10 small Schleswig-Holstein/Bayern Gemeinde rows, since GELSENWASSER's own roster note from 08-13 explicitly flagged its Versorgungsgebiet list as "the one-fetch-many-municipalities case" and unharvested.

Dispatch: both subagents run_in_background: false in one message, 15/15 split, mandatory no-Agent-tool instruction, full skill method inlined (field lists, hard rules, host-trap notes, worked analysis example) since _tasks/ isn't in this checkout. Shard A ran ~23 min (144 tool uses), shard B ~27 min (146 tool uses, expected given the 5 large sites).

Shard A (15 rows, → enrichment.part-u.jsonl): 0/15 new domains resolved — all 13 pending_domain rows confirmed genuine negatives (dead/redirecting candidate domains or exhaustive search finding only shared Amt/VG portal pages), not unchecked gaps. 4/15 analysis URLs found (RWW multi-zone PDF index ~9 zones, Schwend-Poppberg-Gruppe, Weißberggruppe, Walberngrüner Gruppe tier-1 inline). Tooling gap: this container has no pdftotext/pdftoppm/python3 — several scanned/embedded-font PDFs (RWW, Schwend-Poppberg, Weißberggruppe) were located with high confidence but couldn't be read for exact lab values even with the campaign's own pdfextract.mjs; recorded honestly rather than guessed. Notable finds: RWW's Impressum HRB corrected (14235 is printed, contra the prior note) plus a brand-new 2026-01-01 Rhein-Erft-Kreis retail takeover (Bedburg/Bergheim/Elsdorf/Kerpen) not previously on file; Schwend-Poppberg-Gruppe gained a 4th member (Pommelsbrunn); Walberngrüner Gruppe gained a 2nd member (Stadt Helmbrechts, via BayernPortal). New flag for the non-supplier filter: wv-de-12519 (Wasserverband "Ette-Kessach") also runs a Starkregen/Hochwasser-risk concept for a different 5-municipality list (swaps in Mulfingen for Widdern) — read as a genuine dual-mandate Wasserverband since its drinking-water role has independent corroboration (Jagsthausen's own site), not a misclassification, but flagged for a second look given the closeness to the documented flood-Verband trap.

Shard B (15 rows, → enrichment.part-v.jsonl): 1/10 pending_domain resolved — wv-de-2702 Gemeinde Wittmoldt → wittmoldt.de (independent site, Impressum-verified, distinct from sibling Gemeinden's shared amt-gps.de portal). 14/15 analysis URLs found (miss: Klein Wittensee, whose WBV's domain now fails DNS entirely and no current operator could be identified — a real gap). Big-utility Versorgungsgebiet harvest, the highest-value output this run: Hamburger Wasserwerke corrected self_only→list_found with a verbatim 27-municipality Metropolregion list (+26 net new links) plus a clean per-Wasserwerk analysis-URL pattern (7/~17 zones found with real inline 2026 lab values); GELSENWASSER corrected self_only→list_found with a verbatim 32-municipality direct-supply list from its own page (the item flagged since 08-13 as unharvested); RheinEnergie corrected self_only→list_found (Köln/Pulheim/Frechen, 4 zone PDFs) and recovered its Handelsregister number (HRB 37306, previously stuck in an unextractable JS payload); Stadtwerke München corrected self_only→partial (own PDF confirms Umland supply but names no municipalities anywhere checked — flagged for a follow-up targeting wasserportal.info or a Landratsamt/Bezirksregierung Wasserrecht registry). Unconfirmed lead: a stale search snippet suggests GELSENWASSER's list may have grown to include Selm — not independently verified this pass. New host trap: neudrossenfeld.de (wv-de-8524) timed out on 3 separate attempts — treat as unresolved/needs-recheck, not absent.

Merge/finish: Validated both shard output files (enrichment + roster patches + links) as well-formed JSONL and confirmed the company_id set exactly matched the dispatched 30/30 batch before trusting them (30 enrichment records, 13 roster patches, 126 link rows). Appended: 299 → 329 enrichment records (325 distinct company_id). Mandatory domain-collision check across full roster.jsonl, run before consolidate: 24 total, unchanged from the 08:00 discover run — wittmoldt.de is a brand-new, non-colliding domain; the RWW domain was already resolved and unchanged. map_roster.mjs: 10751 total link rows (was 10625), 294 needing review (mostly newly-harvested no-AGS names from this batch's big-utility member lists, not a regression; still just 1 ambiguous — Breitenbrunn, unchanged). consolidate_roster.mjs: 2400 shard rows (178 shard-level dupes) → 2222 distinct companies, unchanged as expected (enrichment mints no new companies). coverage.mjs: population 89.15% → 89.27% (+0.12pp — noticeably larger than a typical enrich-only pass, driven entirely by the Hamburg/GELSENWASSER/RheinEnergie Versorgungsgebiet corrections, not new companies). Municipalities claimed 8960 → 8976 (+16). Residual: 1983 → 1967 municipalities, 9.067M → 8.968M people. pending_domain in the pending tier: 25 → 1 (all 24 pending_domain rows in this batch left the tier by being enriched; only 1 of those 24 actually got a resolved domain — Wittmoldt — the rest are earned negatives). Skipped export_csv.mjs again — still vestigial, untouched by the current roster.jsonl/enrichment.jsonl pipeline.

For next run: only 1 pending_domain row left in the pending tier (1921 other pending on top) — the pending_domain priority tier is nearly drained for now (discovery keeps refilling it, so expect it to grow again after future discover runs). 325/2222 companies enriched (~14.6%). Worth noting: this run found that large, long-known suppliers (RWW, and previously Berlin/Hamburg/ Munich/RheinEnergie/GELSENWASSER before this pass) can sit unenriched for weeks despite build_enrich_batch.mjs's population-priority ordering simply because nothing had triggered a batch large enough to reach them — worth a periodic explicit check for domain_status: resolved

• high _pop_served + no enrichment record, independent of the normal batch order, since these are the single highest-leverage rows in the whole roster. Open duplicate-mint/collision list unchanged (five entries, see above) plus the new wv-de-12519 (Ette-Kessach) dual-mandate flag and wv-de-8524 (neudrossenfeld.de timeout, needs recheck) noted above. The overdue human consolidation pass remains the single biggest lever for cleaning up the accumulated review queue.