revert: tear down the DocIr composition arc (#218, #219, #220) — restart from scratch

[AdaWorldAPI]

What

Operator-directed full teardown of this arc's work, ahead of a from-scratch restart. Three clean git revert -m 1 commits, newest first:

• Revert feat(ogar-doc-ir): project — ClassView × WideFieldMask masking over the in-memory DocIr #220 — removes crates/ogar-doc-ir/src/project.rs, the classview feature, and the lance-graph-contract dep.
• Revert feat(ogar-doc-ir): the composition brick — DocNode/ObjectSlot/ResolutionMode/ogar:// (W1, canon-free) #219 — removes crates/ogar-doc-ir/src/compose.rs (DocNode / ObjectSlot / ResolutionMode / ogar://).
• Revert docs: ground the DocIr composition layer (#217) + record the geometry chunk [S] #218 — removes docs/DOCIR-COMPOSITION-GROUNDING.md, the lib.rs doc-comment additions, and this arc's DISCOVERY-MAP entries.

Net: −1,217 lines; ogar-doc-ir returns exactly to its pre-arc W1 observation-IR state.

Why

A three-reviewer audit found the arc built an address/storage type skeleton while the directive's payload — the resolution-and-rendering pipeline (resolve ObjectSlot → renderer-neutral FieldView enum → the same document through Askama HTML and Typst), proven by a vertical slice — was never started. Rather than patch types that nothing consumes, the operator directed: delete everything, start from scratch. The restart will be slice-first — every type earns its existence by being consumed by a resolver/renderer in the same PR.

Deliberately NOT touched (other sessions' work)

• docs: DocIr = composition layer over the OGAR object graph (operator ruling, D-DOCIR-COMPOSITION) #217 docs/DOCIR-COMPOSITION-LAYER.md (different branch/session).
• The W1 observation-IR crate itself (lib.rs base, 66ecc88/c31830b) — predates this arc.

Ledger note

The reverts remove this arc's DISCOVERY-MAP entries. The append-only canon normally forbids deleting ledger entries; this is a direct operator override ("delete everything you did"), and the entries remain recoverable in git history via the reverted merges.

Verification (Rust 1.95)

• cargo test -p ogar-doc-ir → green at the reverted state (W1 tests intact).
• Default build back to serde-only, zero canon deps.

🤖 Generated with Claude Code

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Generated by Claude Code

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