Define the language intelligence contract

[konojunya]

Summary

• define the protocol-neutral language intelligence 1.0 request and response contract for diagnostics, completion, hover, document symbols, and format edits
• establish stateless snapshot, document-version, source-coordinate, partial-document, security, and adapter ownership boundaries
• add canonical semantic, partial-syntax, and formatting fixtures with Draft 2020-12 schemas and invariant validation

Validation

• check-jsonschema --check-metaschema schemas/*.json
• check-jsonschema --schemafile schemas/language-intelligence-fixture.schema.json conformance/language-intelligence/*/fixture.json
• python scripts/validate-language-intelligence.py
• python scripts/validate-example-catalog.py
• python scripts/validate-compiler-diagnostics.py
• python scripts/validate-formatter-fixtures.py
• npm run test:language
• npm run typecheck:language
• npm run pack:check