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Session 0035.0 — Transcript

App: ecomm Start: 2026-06-12T02-07 (PST) Type: planning-and-executing Claude-Session: 2c8ed539-d087-409e-ad4d-effec7f8d6b3 Status: FINALIZED. Posture: autonomous (yolo) Outcome: SLICE-8 Shopify dialect SHIPPED to PPE — v0.8.0, PR #32, Feature #13 closed.

Launch prompt

/goal SLICE-8 — Shopify dialect (closes Products story #13), per SD-0002 §7.2.

Plan

Anchor: design wiggleverse-ecomm-content/specs/SD-0002-products-bulk-csv-import-export.md (R2a, ELIGIBLE) — SLICE-8 §7.2; closes story #13. Posture: autonomous (yolo)

SLICE-8 — Shopify dialect + public format docs → completes PUC-6, PUC-11

Ships (per SD-0002 §6.5.1 / §7.2):

  1. Header-set dialect detection — detect_dialect() recognizes Shopify's exact header set → "shopify", else "canonical"; honest fail to canonical (never misparse) per §7.4 risk row.
  2. Shopify→canonical mapping at the codec boundary (INV-17): rename Shopify headers to canonical before the known/unknown split; Shopify columns with no canonical home are reported as not-imported (the unknown_columns warning). Exhaustive mapping pinned as a fixture (§6.5.1).
  3. Preview UI — "Shopify product CSV — mapped" banner + not-imported columns warning band on ImportPreview (PUC-6).
  4. DOC-2 — CSV column reference (every column; dialect notes), app-served, source in framework repo.
  5. DOC-3 — finalize sample.csv (variants + images worked examples) + link from import screen (PUC-11).
  6. E2E e2e_import_shopify_dialect — unmodified Shopify fixture → mapped banner + not-imported warnings → confirm → run completes (DoD).
  7. Unit tests (detection, mapping table, INV-10 partial-never-deletes over Shopify); §12 traceability audit; DOC-4 dialect-adapter notes; version bump; PPE deploy + E2E green; close #13.

Deferred decisions

Autonomous-mode low-confidence calls the driver made and would have liked operator input on. Appended as the session runs; surfaced at finalize. Empty if none.

  1. Dialect detection by signature + canonical veto, not exact header set. The spec §7.4 mentions a possible unknown_dialect state; I implemented signature detection (Shopify-only columns) with a canonical-distinctive veto instead of a third dialect state. A file with any canonical-distinctive column (Description/Variant Cost/Variant Weight/Google Product Category/…) is canonical; ambiguous/hybrid headers fall through to canonical (warns, never corrupts). Robust to Shopify's market-column variance. Adopted after an adversarial review found the naive signature-only detection could misread a canonical file carrying a stray signature name (e.g. SEO Title) and silently corrupt (Type dropped, weight kg→g). No unknown_dialect state added.

  2. Variant Grams → Variant Weight with unit forced to g. Shopify's own Variant Weight Unit display column is not imported (warned). Lossless in mass (grams is exact). Weight + synthesized unit move together on clear. Revisit if merchants need kg/lb display fidelity round-tripped.

  3. DOC-2 served as raw Markdown (text/markdown) at /api/products/columns.md, mirroring how DOC-3 sample.csv is served — not a styled HTML page. Satisfies "app-served, source in framework repo"; styled rendering is a future enhancement.

Notes / incidents

  • The adversarial-review subagent ran git checkout and left the working tree on main mid-session (commits were safe on the feature branch). Recovered by checking the branch back out. Worth a plugin-feedback note: review subagents should not switch branches in the shared checkout (the §5.4 worktree hazard, here caused by a subagent rather than a second session).
  • The repo .venv was stale at session start (missing Pillow + google-cloud-storage from SLICE-7); re-synced from backend/requirements.txt.

Pre-state

  • On main @ 8ed9b25 (SLICE-7 merged, v0.7.0 live on PPE). Clean, pushed.
  • SD-0002 SLICE-5/6/7 delivered; SLICE-8 (Shopify dialect) the last slice, no new Solution Design needed (it's part of the approved SD-0002). Anchor eligible R2a.
  • Stale --INPROGRESS placeholder SESSION-0027 noted (orphaned, predates shipped 0034) — not a live concurrent session; no worktree mandate triggered.

Session arc (turn-by-turn)

  1. Init — classified /goal SLICE-8 as planning-and-executing; claimed session 0035; verified clean main; resolved app/content; eligibility gate ELIGIBLE (R2a, anchored on SD-0002). Read SD-0002 §6.5.1 / §7.2 SLICE-8.
  2. Map — Explore agent mapped the existing import codec/pipeline/UI. Key find: the detect_dialect seam, unknown_columns threading, and dialectLabel UI helper already existed from SLICE-5 — SLICE-8 fills them in; the frontend not-imported banner already renders. Bulk of work = backend detection + mapping.
  3. Plan — wrote docs/superpowers/plans/2026-06-12-slice-8-shopify-dialect.md (writing-plans). Branch slice-8-shopify-dialect.
  4. Execute (9 tasks, inline TDD) — (1) dialect_shopify adapter; (2) wire into codec.parse_csv (header rewrite at the INV-17 boundary + grams→weight-unit synth); (3) exhaustive mapping fixture; (4) INV-10 over a partial Shopify import; (5) frontend label + format-help links; (6) DOC-2 columns.md + route; (7) DOC-4 notes; (8) E2E e2e_import_shopify_dialect; (9) v0.8.0 bump + full gate. Each task committed; e2e selector race fixed (asserted an unambiguous not-imported column).
  5. Adversarial review — a review subagent found two real HIGH findings (canonical-file misdetection → silent corruption; dual-named-column shadow). Fixed with the canonical-distinctive veto + tightened grams synthesis (commit a851d35); +4 tests. (The subagent also left the tree on main — see incidents.) Re-ran full gate + E2E green.
  6. Ship — push → PR #32 → merge (e2d8b5c); tag v0.8.0; flotilla-core deploy ecomm 9/9 green (deploys.id=45); PPE /healthz → 0.8.0, DOC-2 serving; stamped release/2026-06-12T02-41; closed Feature #13.
  7. Finalize — archived the plan to content plans/; updated memory; published this transcript.

Cut state

  • main @ e2d8b5c, v0.8.0 LIVE on PPE (https://ecomm-ppe.wiggleverse.org). Tags v0.8.0 + release/2026-06-12T02-41 pushed. Feature #13 closed.
  • SD-0002 fully delivered. Local main synced + clean; feature branch deleted.
  • Gates green: check.sh (lint-imports + backend pytest + frontend build + 22 vitest) and e2e.sh 8/8.
  • Not shipped to prod (prod doesn't exist yet — SLICE-4 prod stand-up, an operator-gated flotilla gesture, closes Feature #1 and would let v0.5–0.8 ship).

Next-session prompt

/goal Brainstorm and write the Solution Design for Products list + read-only detail (wiggleverse/wiggleverse-ecomm#14, P1 feature under epic #12): list view with sort, search, and column selection (defined defaults) over the SD-0002 catalog, plus a read-only product detail view; reusable data-table-as-Common-Component is a non-binding solution note. type/feature → needs its SD before any plan (§4.3 R3); author section-by-section in wiggleverse-ecomm-content/specs/ (next is SD-0003), graduate at finalize.

Operator may instead prioritize the SLICE-4 prod stand-up (closes Feature #1, unblocks shipping v0.5–0.8 to prod), the #23 rebrand SD, or the manual PPE image walk (SLICE-7 GcsObjectStore first real exercise) — confirm at session open.

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