* [Capability] Apply a parameter's complete schema definition
Schema(definition:) is documented as taking precedence over the individual
keywords, and generate() unwraps it that way at method level. At parameter
level it was merged as an ordinary key instead, in both the plain and the
variadic path, so the property reached clients carrying a literal
"definition" member - not JSON Schema, read by nothing, and everything
inside it lost.
Both paths now replace the schema with the definition. The variadic one
still forces type: array afterwards, since a variadic arrives as an array
however the definition describes it, and the signature default survives a
definition that states none - it is what the handler receives when the
argument is omitted, and default is an annotation rather than a constraint.
* Fix docblock description overwriting definition on variadic params
* Apply suggestion from @chr-hertel
* [Capability] Stop a union type losing a branch
mapPhpTypeToJsonSchemaType() tested for array syntax before splitting the
union, so string[]|int mapped to array alone; applyArrayConstraints() then
overwrote the type with array whenever the union contained one, dropping the
scalar branch a second time. A tool declaring such a parameter rejected a
valid integer argument.
The split now happens first and only at the top level, so array<int|string>
and array{a: int|string} stay one type rather than two that do not exist, and
the array branch keeps its items alongside the others - which is what 2020-12
means by items: a constraint that applies only when the instance is an array.
* Apply suggestion from @chr-hertel
* Isolate the array branch before inferring its element type
* Don't apply items to arrays whose union branches disagree on element type
Array tool parameters without an inferable element type generated `{"type":"array"}` with no `items`, which strict MCP clients (VS Code / Copilot) reject. Always emit `items` (`{}` when the element type is unknown) and recover the element type for nullable typed arrays such as `string[]|null`.
Fixes#151
* schema generator injection
* add interface for schema generator
* improve discoverer dependency
* remove some comments
* make some classes final
* simplify condition
* code review
* Extend changelog for covering interfaces
* Adopt SchemaGeneratorInterface after rebase and #153
---------
Co-authored-by: Christopher Hertel <mail@christopher-hertel.de>
* feat(server): add bidirectional client communication support
* fix(server): use correct session ID string conversion method
* fix: clean up docblocks for request handler methods in Builder
* fix: merge artifacts
