diff --git a/.gitignore b/.gitignore
index 68e9c2f7e..7484b478b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -116,6 +116,21 @@ src/Sdk/StellaOps.Sdk.Generator/tools/*.jar
 # OpenCode agent tool
 .opencode/
 
+# Claude Code tooling state (scheduler lock, etc.)
+.claude/scheduled_tasks.lock
+
+# Codex temp workspace
+.codex-tmp/
+
+# Playwright CLI cache
+.playwright-cli/
+
+# Concelier runtime exports (regenerated on demand)
+src/Concelier/StellaOps.Concelier.WebService/exports/
+
+# Workflow plugin binaries (built artifacts)
+src/Workflow/StellaOps.Workflow.WebService/PluginBinaries/
+
 # Misc scratch
 tmp-openapi-metadata/
 test-results/