feat(temper): inject OPENCODE_SESSION_ID into bash environment

Session-scoped pr-poll daemon needs to know which session triggered it. Prepending export to bash commands makes session ID available to shell scripts.

Authored By: opencode (claude-sonnet-4-5)

commit-id:295171f4

Author: cbarber

.opencode/plugin/temper/index.ts

@@ -191,6 +191,11 @@ export const TemperPlugin: Plugin = async ({ client, $, directory }) => {
 
       await logEvent("workflow-event", { event: eventString });
 
+      if (tool === "bash" && output.args?.command) {
+        const originalCommand = output.args.command;
+        output.args.command = `export OPENCODE_SESSION_ID="${sessionID}"; ${originalCommand}`;
+      }
+      
       try {
         const guidance = await $`bash tools/temper --event ${eventString}`.text();
         if (guidance && guidance.trim().length > 0) {