Expose canonical declarations for native forms

[trissim]

Working source checkpoint, not installation-ready

Latest source 82a6213: DottedFieldPath.direct_child_name now owns both root and nested direct-child selection. PyQt #33 19917ea migrates the complete leaf/parent/parts/lineage/intersection family and deletes five replaced form/tree helper APIs; its child identity still rejects the root. General containment and structural-display/enum/module/ScopeKey parsing remain unchanged. 19 ObjectState checks passed in 0.07s; 67 PyQt checks passed in 2.10s. No new production type/cache/alias/codec/helper. Toad #670 f76f4d55e pins this exact source; 107-package offline lock check passes. Source-only checks, not a built/installed application. Claude review and UNKNOWN disposition remain required.

Accepted leaf checkpoint 973aa098: all twelve matching leaf-name consumers across ObjectState/FormBridge now use existing DottedFieldPath.field_name directly. This includes the five reported sites and seven further edit/resolution/save/restore copies. Raw splits/branches and split-only temporaries are deleted; no helper, stored path copy or new class/cache. 113 ObjectState checks passed in 0.94s, plus 13 FormBridge checks in 0.08s, including inherited inspection and actual root/nested conversion/preview requests. Toad #670 6c1748b31 pins these heads; 107-package resolution and offline lock check pass. No paired app build or installed acceptance.

Accepted parent checkpoint 061a5ed3: DottedFieldPath.parent owns immediate parenting and lineage owns nearest-first traversal. ParameterStructure lookup/ancestors, ObjectState indexing/container rebuild, FieldInspection, Toad settings and FormBridge preview formatting consume those operations. All duplicate parent splits/root branches and prefix loops are deleted; ScopeKey and static FieldPath stay separate. 36 ObjectState checks passed in 0.13s, plus 6 FormBridge preview checks in 0.02s. No new class/cache/wrapper.

ParameterStructure.path, ancestors and leaf_paths return paths through the existing admitted topology. Static declaration binding, native form search/filtering and SavedSettings now use these operations instead of rebuilding a static declaration tree. No additional map, cache, wrapper or registry. Existing history/callable assertions were migrated without restoring removed aliases.

The paired Toad #670 f76f4d55e pins the latest source in both pyproject and lock. The full paired graph resolves, and uv lock --check --offline passes; focused parent/topology/restore behavior passed the checks above; complete native-family and installed acceptance remain unverified. Corrected full cohort source census against actual registry python-introspect 0.3.0: 999 modules, 5,166 original / 5,150 nominally projected classes, 16 OPEN, no parse errors. Earlier evidence used a python-introspect checkout still at 0.2.8; the dependency source input is now corrected. Runtime MRO/dynamic effects are not certified by AST.

Expose the existing ObjectState.parameter_structure object as the form declaration/topology owner. Delete four forwarding property pairs and migrate every production reader/writer, including local transaction rollback and registry diagnostics. Remove the signature_default forwarding API; its Toad consumer and the two PyQt inline reset consumers found in the wider pass (#33) read the recorded declaration, and existing package assertions migrate to the same owner. Root type lookup now identifies the extraction target rather than a delegated lifecycle wrapper.

Native checkpoint search (ObjectState, FormBridge, Toad and Core candidate roots; the later wider pass found and migrated two additional PyQt readers): rg -n '\._(parameter_structure|path_to_type|direct_parameter_paths|exclude_param_names|excluded_params)\b|\.signature_default\(' <roots>; before readers in ObjectState's object_state.py, transaction_checkpoint.py and object_state_registry.py, plus Toad DeclaredField; after zero replaced member readers. ParameterStructure remains the sole declarations/direct_paths/defaults owner, not a copied map or compatibility alias.

Existing NRA source/class index: current ObjectState + FormBridge dependency roots 124 modules, 549 original classes, 549 projected, no parse omissions; original installed family context 680 modules, 2752 original classes, 2736 projected with 16 conditional/demo classes explicitly OPEN. Native binding, dynamic dispatch and behavior are not certified by that index.

Source syntax and diff whitespace checked. Focused package checks and actual saved settings/history/forms acceptance remain after the complete family implementation and one resolved current dependency graph. No installed pin changed. Source based on current main 093d82d, not a second backported API. Paired Toad/FormBridge drafts are required; Codex alone integrates/installs.

[trissim]

claude-forms: checked and merging as part of P45 together with ObjectState #61, FormBridge #13 and PyQt #33. Versions: objectstate 5.0.0, formbridge 0.2.0, pyqt-reactive 0.9.0 (public names removed; see CHANGELOG). Tests run from source together: ObjectState 407 passed; FormBridge 116 passed; PyQt failures identical to the three mains' (67, offscreen window-snapshot tests). Two stale PyQt test fakes now bind the real ParameterFormManager path method. Outside this PR: PyQt main already imports formbridge.forms.raw_display_value, which exists only in open FormBridge #14.

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