fix(observe): thread projectRoot into per-action Run so the flow reaches the device (#351)

The observe Regression "Run" button failed instantly with NO_PROJECT_ROOT and
never touched the simulator. The runAction wiring resolved the correct root for
loadAction() but called runActionHandler() (cdp_run_action) without projectRoot,
so it re-derived process.cwd() (the plugin repo) and couldn't find the action
YAML. Thread the already-resolved root through.

Verified e2e on the booted iPhone 17: the action now finds its YAML and runs
maestro-runner on the device (reaches WDA/execution) instead of erroring before
dispatch. Follow-up to #348 (same root-resolution family: list + suite).

2337/2337 tests pass; lint + format clean.

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>

Author: Lykhoyda

.changeset/fix-observe-runaction-projectroot.md

@@ -0,0 +1,5 @@
+---
+"rn-dev-agent-cdp": patch
+---
+
+Fix the observe Regression tab's per-action **Run** button doing nothing. The observe `runAction` wiring resolved the correct project root for `loadAction` but then called the inner `runActionHandler` (`cdp_run_action`) without passing `projectRoot`, so the runner re-derived it from `process.cwd()` (the plugin repo) and failed instantly with `NO_PROJECT_ROOT` before ever reaching the device. The resolved root is now threaded into `runActionHandler`, so a clicked action runs its Maestro flow on the connected app's project. (Follow-up to #348, which fixed the same root-resolution family for the actions list and suite.)

scripts/cdp-bridge/dist/index.js

@@ -1551,6 +1551,7 @@ setObserveE2eDeps({
             const result = await runActionHandler({
                 actionId,
                 params,
+                projectRoot: root,
                 platform: (getActiveSession()?.platform ?? 'ios'),
                 trigger: 'human',
             });

scripts/cdp-bridge/src/index.ts

@@ -2263,6 +2263,7 @@ setObserveE2eDeps({
       const result = await runActionHandler({
         actionId,
         params,
+        projectRoot: root,
         platform: (getActiveSession()?.platform ?? 'ios') as 'ios' | 'android',
         trigger: 'human',
       });