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DiscordChatExporter/docs/plans/2026-05-29-012-fix-scrape-residual-review-plan.md
Boden 25e1a7e600 fix(scrape): address residual review findings R1–R3 
Use padded sort for last_message_id cursor, surface guild channel
discovery errors, and document DCE_ARCHIVE_ROOT in compose.
2026-05-29 13:56:29 -05:00

1.5 KiB
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title: fix: Close recurring scrape residual review findings type: fix status: completed date: 2026-05-29 origin: LFG — residual review findings on feat/recurring-cli-scrape (R1–R3)

fix: Close recurring scrape residual review findings

Summary

Address manual review residuals from plan 011: correct incremental cursor selection, improve guild channel discovery errors, and document portable archive mount configuration.

Requirements

ID Requirement
R1 last_message_id picks highest snowflake reliably across mixed digit lengths
R2 load_guild_channel_cache surfaces CLI failure output like load_guild_cache
R3 docker-compose.yml documents required DCE_ARCHIVE_ROOT override
R4 Existing smoke tests pass after changes

Implementation Units

U1. Fix message cursor (last_message_id)

Files: scripts/run-discord-scrape.sh

Approach: Replace max_by(.id) with sort_by(.id) | last | .id for lexicographic ordering on zero-padded-equal-length snowflakes; Discord IDs in one channel are typically same length — sort_by is safer than max_by for strings.

U2. Guild channel cache diagnostics

Files: scripts/run-discord-scrape.sh

Approach: Capture channels CLI stderr/stdout; die with context on failure.

U3. Compose portability note

Files: docker-compose.yml

Approach: Comment above DCE_ARCHIVE_ROOT volume line.

Verification

  • scripts/tests/run-discord-scrape-smoke.sh
  • bash -n scripts/run-discord-scrape.sh