This test exercises the "go_symbol_references" MCP tool.

-- flags --
-mcp
-ignore_extra_diags

-- go.mod --
module example.com

// TODO(rfindley): add error assertions here.

//@mcptool("go_symbol_references", `{"file":"$WORKDIR/a/a.go","symbol":"Foo"}`, output=aFoo)
//@mcptool("go_symbol_references", `{"file":"$WORKDIR/b/b.go","symbol":"a.Foo"}`, output=aFoo)
//@mcptool("go_symbol_references", `{"file":"$WORKDIR/a/a.go","symbol":"T.Bar"}`, output=aBar)
//@mcptool("go_symbol_references", `{"file":"$WORKDIR/b/b.go","symbol":"a.T.Bar"}`, output=aBar)

-- a/a.go --
package a

func Foo() {}

func callFoo() {
    Foo()
}

type T int

func (T) Bar() {}

-- b/b.go --
package b

import "example.com/a"

func callFoo() {
    a.Foo()
}

-- @aFoo --
The object has 3 references. Their locations are listed below
Reference 1
Located in the file: $WORKDIR/a/a.go
The reference is located on line 3, which has content `func Foo() {}`

Reference 2
Located in the file: $WORKDIR/a/a.go
The reference is located on line 6, which has content `Foo()`

Reference 3
Located in the file: $WORKDIR/b/b.go
The reference is located on line 6, which has content `a.Foo()`

-- @aBar --
The object has 1 references. Their locations are listed below
Reference 1
Located in the file: $WORKDIR/a/a.go
The reference is located on line 11, which has content `func (T) Bar() {}`

