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…rce of truth) ObjectStack has a superset of Airtable's surface (~27 metadata types) but no single model for it, and the two places that group types disagree and are each muddled: `os` stats (format.ts) files `action` under UI and buries `agent` in Logic; Studio nav (studio.app.ts) mixes Data with Interface and splits "Logic" from "Automation". Define the model once: keep Airtable's three (Data · Automation · Interface) and add the three Airtable lacks (Access · Intelligence · Integration), with Integration as a cross-cutting EDGE (datasource/connector/webhook get a primary home + a documented secondary, never a duplicate listing). Each pillar has an anchor type; the rest disclose progressively. Mandate a single source of truth — a spec `METADATA_CATEGORY` map — that Studio nav, the `os` stats sections, the docs reference, and the showcase Start Here all derive from, so they stop disagreeing. Records the placement of every type, cross-cutting rules, and the alternatives rejected (force into 3 / flat 27 / per-surface grouping / Integration as a 7th peer). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Voided — superseded by ADR-0084 (application-builder information architecture, #2503). The design pass corrected two of this ADR's claims (AI is a platform capability, not a peer pillar; Integration folds into Advanced, not a peer tier), and 0084 captures the builder-relevant taxonomy directly. Closing without merge. |
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ADR-0083 (metadata-type taxonomy) was voided (#2499 closed); 0084 subsumes the builder-relevant taxonomy. Remove the Builds-on citation and the Relationship section — their content (AI is a platform capability not a pillar; Integration folds into Advanced) already lives in the TL;DR and Alternatives. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Answers "Airtable categorizes as Data / Automation / Interface — I have more metadata types, how do I express and present them?" by defining the model once, as a single source of truth.
The problem
ObjectStack has a superset of Airtable's surface (~27 top-level metadata types) but no single model — and the two places that group types disagree and are each muddled:
osstats (format.ts): Data / UI / Logic / Security — filesactionunder UI (it's behavior), buriesagentin Logic (it's AI).studio.app.ts): a Build group mixing Data with Interface, then splits "Logic" (actions/hooks) from "Automation" (flows) — two names for one concern.The model — keep the 3, add the 3
objectflowpageroleagentdatasourceSingle source of truth
A spec
METADATA_CATEGORYmap that Studio nav,osstats, the docs reference, and the showcase Start Here all derive from — so they stop disagreeing, and the build agent gains a canonical category to reason with.Docs-only; all cross-ADR links verified.
Follow-ups (separate PRs, per your call): encode
METADATA_CATEGORYin spec; regroup Studio nav; alignosstats; extend Start Here to the six-pillar map.🤖 Generated with Claude Code