chore(todo): consolidate TODO comments into the five fixed marker tags

Retag every Shirabe-authored TODO comment to one of the fixed tags:
phase-c, phase-d, plugin, php-runtime, phase-e.

Upstream-authored TODO comments from Composer/Symfony are left
untouched to preserve the ported code shape.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/crates/shirabe/src/installer/installation_manager.rs b/crates/shirabe/src/installer/installation_manager.rs
index 3a04a8e9..cf75469c 100644
--- a/crates/shirabe/src/installer/installation_manager.rs
+++ b/crates/shirabe/src/installer/installation_manager.rs
@@ -308,9 +308,9 @@ impl InstallationManager {
                 SignalHandler::SIGTERM.to_string(),
                 SignalHandler::SIGHUP.to_string(),
             ],
-            // TODO(phase-b): closure captures &mut self via &mut cleanup_promises
+            // TODO(phase-c): closure captures &mut self via &mut cleanup_promises
             Box::new(move |signal: String, handler: &SignalHandler| {
-                // TODO(phase-b): self.io.write_error(...); self.run_cleanup(&cleanup_promises);
+                // TODO(phase-c): self.io.write_error(...); self.run_cleanup(&cleanup_promises);
                 let _ = signal;
                 handler.exit_with_last_signal();
             }),
@@ -802,7 +802,7 @@ impl InstallationManager {
             return;
         }
 
-        // TODO(phase-c-promise): PHP collects every http_downloader.add() promise and runs them via
+        // TODO(phase-c): PHP collects every http_downloader.add() promise and runs them via
         // Loop::wait; the single-threaded sync bridge block_on's each notification serially instead.
         let result: anyhow::Result<()> = (|| -> anyhow::Result<()> {
             for (repo_url, packages) in self.notifiable_packages.borrow().iter() {
@@ -929,7 +929,7 @@ impl InstallationManager {
 
     /// PHP: waitOnPromises() creates a ProgressBar up front and Loop::wait advances it while the
     /// concurrent promises resolve.
-    /// TODO(phase-c-promise): Loop::wait has no active-job counter to feed the bar yet, so a
+    /// TODO(phase-c): Loop::wait has no active-job counter to feed the bar yet, so a
     /// single 0% -> 100% jump is rendered after the wait instead of PHP's timing-driven
     /// intermediate snapshots.
     async fn wait_on_promises<'p>(