Spring MVC/WebFlux mapping methods (Java and Kotlin) in @RestController / @Controller classes get a gutter icon with "Generate Request in HTTP Client", and the class line gets "Generate Requests for Controller"; both are also actions (`http.generateSpringRequest`, `http.generateSpringControllerRequests`) in Find Action, the editor menu and ⌥↵. Requests are appended to the `generated-requests.http` scratch and opened at the new request.
The URL combines class and method paths ({id} and {id:regex} → {{id}}), with host, port and context path from application.properties / .yml (default http://localhost:8080). @RequestParam, @RequestHeader, params/headers, consumes/produces and @RequestBody (JSON skeleton from the body type, nested one level) are mapped; same-file constants are resolved. Adds an `intentionProviders` editor facet so features can contribute ⌥↵ items.
Fixes#100
Claude-Session: https://claude.ai/code/session_01VUYsdXA2nkF5v6zsC93dpn
