issue(strategy-curator): Fetch full content clobbers operator metadata

Clicking Fetch full content overwrites the operator's typed title (and bib)
with Jina's guess — or the raw URL when Jina fails, which also hid that the
fetch failed. Documents the three clobber layers (fetchSourceContent,
applyBibToRegistry, the client merge) and the additive-enrichment fix.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018UYTYu4MAFZ7iyr2VTo2kq

Author: mpstaton

context-v/issues/Fetch-Full-Content-Clobbers-Operator-Metadata.md

@@ -0,0 +1,74 @@
+---
+title: "Fetch full content clobbers the operator's metadata — resets the title to a URL approximation"
+lede: "Clicking 'Fetch full content' on a source overwrites the title (and publisher/date/authors) the operator typed, replacing it with Jina's guess or — when Jina fails — the raw URL. Enrichment must be additive: fetch the body, fill only empty fields, never overwrite accepted metadata."
+date_created: 2026-08-02
+date_modified: 2026-08-02
+authors:
+  - Michael Staton
+augmented_with:
+  - Claude Code on Claude Opus 4.8
+semantic_version: 0.0.0.1
+tags:
+  - Issue
+  - Augment-It
+  - Strategy-Curator
+  - Corpus
+  - Bug
+status: Resolved
+---
+
+# Fetch full content clobbers the operator's metadata
+
+## Why Care?
+
+Surfaced live 2026-08-02. The operator fills in a source's metadata (title,
+publisher, date), clicks **Fetch full content**, and the title resets to an
+approximation of the URL — the hand-entered value is gone. Worse, a
+URL-shaped title is the *failure* signal: it means Jina couldn't read the
+page, so the content probably wasn't fetched either. Two bugs stacked, and
+the clobber hid the failure. Violates the standing rule that additive
+enrichment never overrides accepted fields ([[feedback_additive_enrichment_never_overrides_accepted]]).
+
+## Root cause — three layers
+
+1. **`fetchSourceContent` (content-ingest/corpus.ts):**
+   `const title = jr.ok ? jr.title || args.url : args.url` — never consulted
+   the operator's saved title; Jina's guess (or the URL on failure) always
+   won. Bib fields likewise merged "Jina wins, fall back to file."
+2. **`applyBibToRegistry` (resolver):** wrote that Jina/URL title straight
+   onto the canonical `sources` row.
+3. **Client `fetchSource` (curation.svelte.ts):** merged the fetch result
+   *over* the form (`{ ...source, ...r.source }`), so the clobbered title
+   landed back in the field.
+
+## Desired behavior (operator's spec, 2026-08-02)
+
+Keep all form metadata as-is → fetch full content → write to SurrealDB with
+workspace access (humain-vc) → return the `sources` uuid → write local
+markdown *if local-write is enabled*.
+
+Of these: DB write + client scoping (`source_usages.client_slug`) and the
+returned `source_uuid` already exist. This issue covers the **metadata
+preservation** half. The **local-write toggle** is tracked separately (spec
+addendum to [[Strategy-Curator-Entry-Point-for-Augment-It]]).
+
+## Fix
+
+- `fetchSourceContent` reads the operator's saved `title` (and bib) from the
+  source file and treats them as authoritative; Jina's values are demoted to
+  fallbacks that fill only empty fields. The existing `source_slug` is
+  preserved so a re-fetch never renames the file.
+- Client `fetchSource` keeps the operator's title/authors/publisher/date and
+  takes only content + status from the fetch; and now surfaces
+  "fetch failed — could not read the URL" instead of silently resetting.
+
+## Resolution
+
+Fixed 2026-08-02. Verified: `rsbuild build` (strategy-curator) + `tsc
+--noEmit` (content-ingest) both green. Reaches augment.didi.sh on the next
+redeploy.
+
+## See also
+
+- [[feedback_additive_enrichment_never_overrides_accepted]]
+- [[feedback_human_in_drivers_seat]] — web-research output isn't trusted to overwrite operator input.