debugger: Fix not being able to stop a Go debug session when no breakpoints were ever hit (#35190)

Fixes #35030

Release Notes:

- debugger: Fixed a bug where a Go debug session could not be stopped if
no breakpoint was ever hit.

crates/project/src/debugger/dap_command.rs

@@ -107,7 +107,7 @@ impl<T: DapCommand> DapCommand for Arc<T> {
 
 #[derive(Debug, Hash, PartialEq, Eq)]
 pub struct StepCommand {
-    pub thread_id: u64,
+    pub thread_id: i64,
     pub granularity: Option<SteppingGranularity>,
     pub single_thread: Option<bool>,
 }
@@ -483,7 +483,7 @@ impl DapCommand for ContinueCommand {
 
 #[derive(Debug, Hash, PartialEq, Eq)]
 pub(crate) struct PauseCommand {
-    pub thread_id: u64,
+    pub thread_id: i64,
 }
 
 impl LocalDapCommand for PauseCommand {
@@ -612,7 +612,7 @@ impl DapCommand for DisconnectCommand {
 
 #[derive(Debug, Hash, PartialEq, Eq)]
 pub(crate) struct TerminateThreadsCommand {
-    pub thread_ids: Option<Vec<u64>>,
+    pub thread_ids: Option<Vec<i64>>,
 }
 
 impl LocalDapCommand for TerminateThreadsCommand {
@@ -1182,7 +1182,7 @@ impl DapCommand for LoadedSourcesCommand {
 
 #[derive(Debug, Clone, Hash, PartialEq, Eq)]
 pub(crate) struct StackTraceCommand {
-    pub thread_id: u64,
+    pub thread_id: i64,
     pub start_frame: Option<u64>,
     pub levels: Option<u64>,
 }

crates/project/src/debugger/session.rs

@@ -61,15 +61,10 @@ use worktree::Worktree;
 
 #[derive(Debug, Copy, Clone, Hash, PartialEq, PartialOrd, Ord, Eq)]
 #[repr(transparent)]
-pub struct ThreadId(pub u64);
+pub struct ThreadId(pub i64);
 
-impl ThreadId {
-    pub const MIN: ThreadId = ThreadId(u64::MIN);
-    pub const MAX: ThreadId = ThreadId(u64::MAX);
-}
-
-impl From<u64> for ThreadId {
-    fn from(id: u64) -> Self {
+impl From<i64> for ThreadId {
+    fn from(id: i64) -> Self {
         Self(id)
     }
 }