Questions your coding agent can't answer alone.

$ prism lookup responseWriter.Status responseWriter.WriteHeader

// method responseWriter.Status  response_writer.go:98-100
98  func (w *responseWriter) Status() int {
99  	return w.status
100 }
// method responseWriter.WriteHeader  response_writer.go:67-75
67  func (w *responseWriter) WriteHeader(code int) {
68  	if code > 0 && w.status != code {
69  		if w.Written() {
    ...
73  		w.status = code

$ prism search WriteHeaderNow --scope text

// COMPLETE — 26 exact matches across 5 files
// 2 different symbols share the name: ResponseWriter.WriteHeaderNow,
//   responseWriter.WriteHeaderNow
response_writer.go:
  43   WriteHeaderNow()            [ResponseWriter.WriteHeaderNow]
  77   func (w *responseWriter) WriteHeaderNow() {
  85   w.WriteHeaderNow()          [responseWriter.Write]
context.go:
  215  c.Writer.WriteHeaderNow()   [Context.AbortWithStatus]
gin.go:
  723  c.writermem.WriteHeaderNow()  [Engine.handleHTTPRequest]
  ...
// test files: 15 hits in 2 files

$ prism read response_writer.go --from 77 --to 82

// response_writer.go lines 77-82 of 148
77  func (w *responseWriter) WriteHeaderNow() {
78  	if !w.Written() {
79  		w.size = 0
80  		w.ResponseWriter.WriteHeader(w.status)
81  	}
82  }

$ prism query --terms WriteHeaderNow

Anchors — callers
WriteHeaderNow  response_writer.go:77  16 callers
  tested by TestContextBadAutoBind, TestContextBindRequestTooLarge, +3
AbortWithStatus  context.go:213  14 callers
  tested by TestContextAbortWithStatus, TestMiddlewareAbort, +3
Render  context.go:1179  21 callers
handleHTTPRequest  gin.go:690  2 callers
Source  context.go, gin.go, response_writer.go windows

$ prism change-impact ResponseWriter.Status

completeness: closed (compiler-backed go)
editSites (14)
  response_writer.go:30:2   Status() int
  response_writer.go:98:26  func (w *responseWriter) Status() int
  gin.go:770:17             if c.writermem.Status() == code
  logger.go:301:31          param.StatusCode = c.Writer.Status()
  ... 10 more in tests
not this change   17 lines calling Context.Status
                  9 comments and docs

# after deleting WriteHeaderNow from response_writer.go
$ prism verify --removed WriteHeaderNow

exact identifier mentions remain (0/1 clean)
  WriteHeaderNow: 22 mentions
    context.go:215   c.Writer.WriteHeaderNow()
    context.go:1184  c.Writer.WriteHeaderNow()
    gin.go:723       c.writermem.WriteHeaderNow()
    gin.go:778       c.writermem.WriteHeaderNow()
    ...