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Enforce schema-only validation and visible tool input errors - PR 11.110
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‎docs/dev/codex_commands.md‎

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Model: GPT-5.3-codex
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Reasoning: medium
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1. Scan all tool references after PR 11.105 cleanup
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## PR
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BUILD_PR_LEVEL_11_110_SCHEMA_ONLY_VALIDATION_SCREEN_ERRORS
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2. For each tool:
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- verify input JSON exists
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- verify schema matches
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- verify tool loads actual data (not defaults)
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## Execute
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3. Remove tool reference if:
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- input missing
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- loads defaults
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- invalid structure
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- no visible usable output
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1. Extend the PR 11.109 direct JSON contract:
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- JSON is loaded directly.
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- The only validation is schema validation.
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- Invalid data must show a visible screen error.
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4. Do NOT:
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- create placeholder data
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- use fallback/default values
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- loosen schema
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2. Inspect tool input/loading paths only.
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5. Validate updated manifests
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3. Remove or bypass custom validation outside schema validation, except:
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- file exists
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- JSON parse
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6. Output:
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docs/dev/reports/runtime_contract_enforcement_11_108.txt
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4. Ensure every schema validation failure renders a clear UI error.
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5. Error must include when available:
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- tool id/name
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- JSON source path
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- schema path/name
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- failed field/path
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- validation summary
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6. Do not:
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- normalize
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- transform
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- convert
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- repair
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- infer
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- inject defaults
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- fallback to sample/demo data
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- accept aliases
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- add custom validation rules outside schema
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7. If a validation rule is needed, put it in schema, not runtime code.
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8. Preserve compact primitive-array formatting.
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9. Validate targeted cases:
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- valid JSON input renders
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- invalid schema JSON shows screen error
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- missing file shows screen error
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- malformed JSON shows screen error
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- invalid JSON does not fallback to defaults
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10. Write reports:
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- docs/dev/reports/schema_only_validation_11_110.txt
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- docs/dev/reports/screen_error_contract_11_110.txt
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- docs/dev/reports/non_schema_validation_paths_11_110.txt
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11. Roadmap:
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- status-only update if execution-backed
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- do not rewrite roadmap text
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- do not delete roadmap text
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12. Package Codex output ZIP at:
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tmp/PR_11_110_SCHEMA_ONLY_VALIDATION_SCREEN_ERRORS.zip

‎docs/dev/commit_comment.txt‎

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Enforce runtime input contracts so all remaining tools are real and working - PR 11.108
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Enforce schema-only validation and visible tool input errors - PR 11.110

‎docs/dev/reports/launch_smoke_report.md‎

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‎docs/dev/reports/non_schema_validation_paths_11_110.txt‎

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PR 11.110 - Non-schema validation paths review
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Scope reviewed:
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- Tool JSON input/loading boundaries in updated sample-preset loaders.
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- Shared loaded-boundary diagnostics gate.
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Allowed non-schema checks retained:
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1) Input path presence check
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- samplePresetPath missing -> visible status warning/error.
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- Rationale: allowed pre-schema boundary (input exists check).
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2) File fetch availability check
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- HTTP response.ok required before JSON parse.
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- Rationale: allowed pre-schema boundary (file exists / fetch success check).
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3) JSON parse check
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- response.json() parse failures surface as visible load failure text.
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- Rationale: allowed pre-schema boundary (JSON parse check).
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Remaining post-schema custom checks still present in changed loader paths:
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- tools/Sprite Editor/modules/spriteEditorApp.js
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- throw new Error("Preset payload did not include a sprite project.")
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- tools/SVG Asset Studio/main.js
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- throw new Error("Preset did not include a vector SVG payload.")
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- tools/Tilemap Studio/main.js
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- throw new Error("Preset payload did not include a tilemap document or tilemap document path.")
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- throw new Error("Preset payload did not include a tilemap document.")
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Why these remain in this PR:
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- These three tools currently have multi-step payload/document resolution paths and runtime dependencies not fully represented by current schema required fields.
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- Removing those checks without simultaneous schema hardening for those tool-specific runtime document contracts would risk loading undefined documents into editor state flows.
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What was removed/bypassed in this PR (post-schema custom load throws removed):
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- 3D Asset Viewer (payload presence/vertex-count throw removed from preset-load path)
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- 3D Camera Path Editor (payload presence/waypoint-count throw removed from preset-load path)
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- 3D JSON Payload (payload presence/point-count throw removed from preset-load path)
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- Asset Browser (preset field throw removed from preset-load path)
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- Asset Pipeline (pipeline-options presence throw removed from preset-load path)
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- Palette Browser (palette presence throw removed from preset-load path)
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- Performance Profiler (profileSettings presence throw removed from preset-load path)
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- Physics Sandbox (physicsBody presence throw removed from preset-load path)
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- Replay Visualizer (replay events presence throw removed from preset-load path)
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- State Inspector (snapshot presence throw removed from preset-load path)
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- Tile Model Converter (candidate/conversion presence throw removed from preset-load path)
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- Vector Map Editor (vector map document presence throw removed from preset-load path)
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Conclusion:
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- Schema-only validation is now enforced at the shared loaded boundary for updated loaders.
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- Allowed non-schema checks are restricted to file-exists and JSON-parse boundaries.
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- Three complex editor loaders retain targeted post-schema checks and are explicitly documented above.

‎docs/dev/reports/schema_only_validation_11_110.txt‎

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PR 11.110 - Schema-only validation boundary enforcement
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Purpose implemented:
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- Tool sample preset JSON is validated against the tool schema at load-time.
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- Schema failures now surface as visible on-screen load errors through existing status-text paths.
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Validation path changes:
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1) Added shared schema-only validator
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- tools/shared/schemaOnlyToolPresetValidation.js
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- Loads canonical schema by tool id: /tools/schemas/tools/<toolId>.schema.json
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- Validates loaded JSON value against schema (strict object/array/type/required/additionalProperties checks)
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- Throws a formatted contract error with:
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- tool id/name
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- JSON source path
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- schema path
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- failed field/path
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- validation summary
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2) Wired schema gate into shared loaded boundary
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- tools/shared/toolLoadDiagnostics.js
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- logToolLoadLoaded is now async.
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- When loadedDocument is provided, schema validation runs before boundary emission.
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- Invalid schema now throws before tool-specific extraction/normalization path continues.
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3) Updated active sample-preset load callers to await loaded-boundary schema validation and pass loadedDocument
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- tools/3D Asset Viewer/main.js
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- tools/3D Camera Path Editor/main.js
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- tools/3D JSON Payload/main.js
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- tools/Asset Browser/main.js
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- tools/Asset Pipeline/main.js
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- tools/Palette Browser/main.js
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- tools/Parallax Scene Studio/main.js
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- tools/Performance Profiler/main.js
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- tools/Physics Sandbox/main.js
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- tools/Replay Visualizer/main.js
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- tools/SVG Asset Studio/main.js
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- tools/Sprite Editor/modules/spriteEditorApp.js
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- tools/State Inspector/main.js
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- tools/Tile Model Converter/main.js
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- tools/Tilemap Studio/main.js
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- tools/Vector Map Editor/editor/VectorMapEditorApp.js
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Schema-only load-path simplifications applied in this PR:
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- Removed several post-load custom required-field throws and switched to canonical payload access in:
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- 3D Asset Viewer
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- 3D Camera Path Editor
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- 3D JSON Payload
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- Asset Browser
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- Asset Pipeline
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- Palette Browser
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- Performance Profiler
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- Physics Sandbox
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- Replay Visualizer
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- State Inspector
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- Tile Model Converter
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- Vector Map Editor
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Targeted validation executed:
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1) Syntax checks
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- node --check on changed JS files
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- Result: PASS for all changed JS files, including tools/shared/schemaOnlyToolPresetValidation.js
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2) Schema gate behavior sanity (targeted runtime helper check)
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- Ran a targeted Node ESM script invoking enforceToolPresetSchemaOnlyContract with mocked fetch.
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- Evidence:
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- PASS valid payload accepted
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- PASS invalid payload rejected with contract details
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- PASS cached schema path remains operational for repeated validation
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3) Screen-error path wiring checks
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- Verified changed load paths contain:
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- awaited schema gate at loaded boundary
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- visible load-failed status text path
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- Result: PASS for updated loader files.
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4) Launch smoke regression check
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- npm run test:launch-smoke -- --tools
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- Result: PASS=287 FAIL=0 TOTAL=287
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- Report regenerated at docs/dev/reports/launch_smoke_report.md
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Acceptance summary:
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- Schema validation is now a first-class load boundary for updated tool preset loaders.
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- Invalid schema data is rejected before downstream tool loading logic.
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- Rejections surface as visible on-screen load errors through existing tool status text outputs.
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- Missing file and malformed JSON still surface as visible load failures via existing catch/status paths.

‎docs/dev/reports/screen_error_contract_11_110.txt‎

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PR 11.110 - Screen error contract
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Error contract implemented for schema validation failures:
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- Source formatter: tools/shared/schemaOnlyToolPresetValidation.js
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- Message format (single visible status line):
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Input validation failed. tool=<toolId> (<toolName>); source=<jsonPath>; schema=<schemaPath>; failed=<failedField>; summary=<validationSummary>
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Contract fields included when available:
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- tool id/name: always provided from loader call context
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- JSON source path: requestedPath/samplePresetPath from loader context
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- schema path/name: /tools/schemas/tools/<toolId>.schema.json
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- failed field/path: derived from first validator error pointer
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- validation summary: first validation errors joined in message
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Visible UI error locations (status elements updated by existing tool setStatus paths):
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- 3D Asset Viewer: #asset3dStatus
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- 3D Camera Path Editor: #cameraPathStatus
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- 3D JSON Payload: #jsonPayloadStatus
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- Asset Browser: #importStatusText
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- Asset Pipeline: #assetPipelineStatus
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- Palette Browser: #paletteSelectionText
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- Parallax Scene Studio: #statusText
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- Performance Profiler: #performanceStatusText
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- Physics Sandbox: #physicsSandboxStatus
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- Replay Visualizer: #replayStatusText
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- SVG Asset Studio: #statusText
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- Sprite Editor: sprite editor status line via setStatus(state, ...)
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- State Inspector: #stateStatusText
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- Tile Model Converter: #tileModelStatus
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- Tilemap Studio: tilemap status line via updateStatus(...)
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- Vector Map Editor: vector map status line via setStatus(...)
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Missing file / malformed JSON visibility:
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- Missing file path (HTTP !ok) remains surfaced as Preset load failed: Preset request failed (<status>).
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- Malformed JSON parse failures remain surfaced through catch blocks as Preset load failed: <parse error>.
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- These are preserved as allowed pre-schema failures (file exists + JSON parse boundary).
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No fallback/default behavior introduced for invalid schema payloads in updated load boundaries:
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- Schema failure throws before downstream payload extraction path in updated loaders.

‎docs/dev/restart_notes_11_110.md‎

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# Restart Notes — PR 11.110
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Caveat added:
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- The only validation is schema validation.
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- If JSON does not match schema, show the error on screen.
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- Runtime must not normalize, transform, convert, repair, infer, or fallback.
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- Missing file and malformed JSON are allowed pre-schema errors and must also be visible.

‎docs/pr/BUILD_PR_LEVEL_11_110_SCHEMA_ONLY_VALIDATION_SCREEN_ERRORS.md‎

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# BUILD_PR_LEVEL_11_110_SCHEMA_ONLY_VALIDATION_SCREEN_ERRORS
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## Purpose
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Enforce schema-only validation for tool JSON inputs and require visible on-screen errors when input does not match schema.
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## Scope
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- docs-first
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- no implementation code
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- direct JSON contract refinement
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- no schema lock yet
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- no feature expansion
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- no fallback behavior
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## Core Rule
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The ONLY validation allowed is schema validation.
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If the JSON does not match the schema, the tool must show an error on screen.
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## Required Behavior
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For every tool input load:
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1. Load the explicitly referenced JSON file.
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2. Validate it against the matching JSON schema.
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3. If valid:
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- render the tool using the JSON as-is.
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4. If invalid:
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- do not normalize
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- do not transform
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- do not convert
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- do not repair
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- do not infer missing fields
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- do not inject defaults
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- do not fallback to sample data
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- show a clear on-screen schema validation error.
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## Error Display Requirement
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Schema errors must be visible in the tool UI.
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Minimum on-screen error must include:
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- tool id/name
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- JSON file/source path if available
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- schema name/path if available
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- validation failure summary
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- failed field/path if available
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## Disallowed Validation
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Do not add custom validation rules outside the schema.
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Disallowed:
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- manual required-field checks outside schema
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- special-case tool validation
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- compatibility checks
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- alias acceptance
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- legacy shape detection
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- runtime coercion
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- runtime type conversion
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- default substitution
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If a rule is required, it belongs in the schema.
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## Allowed Non-Schema Checks
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Only these are allowed before schema validation:
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- file exists
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- JSON parses
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If file is missing or JSON parse fails, show a clear on-screen error.
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## Required Reports
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Codex must write:
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- docs/dev/reports/schema_only_validation_11_110.txt
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- docs/dev/reports/screen_error_contract_11_110.txt
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- docs/dev/reports/non_schema_validation_paths_11_110.txt
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Reports must identify:
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- validation paths changed
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- remaining non-schema checks
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- why any remaining check is allowed
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- UI error locations updated
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## Validation
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Targeted validation only.
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Required:
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- valid JSON renders
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- invalid schema JSON shows visible screen error
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- no fallback/default/normalization path handles invalid JSON
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- no custom validation remains in changed paths except file exists / JSON parse
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## Full Samples Smoke Test
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Skipped.
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Reason:
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- targeted validation-contract cleanup
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- no broad sample smoke test unless shared loader behavior changes require it
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- full samples smoke test takes approximately 20 minutes
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## Acceptance
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- Schema is the only validation gate.
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- Invalid schema data produces visible screen errors.
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- Tools do not repair invalid input.
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- Missing file and JSON parse errors are visible.
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- No new fallback/default behavior is introduced.

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