agents all indicate hasSidecar true or false, validation requires it, agent builder and validator and editor use the field. Added a better brownfield doc

test/fixtures/agent-schema/invalid/critical-actions/actions-as-string.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Actions String
     title: Actions String
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/critical-actions/empty-string-in-actions.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Empty Action String
     title: Empty Action String
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/menu-commands/empty-command-target.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Empty Command Target
     title: Empty Command
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/menu-commands/no-command-target.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: No Command Target
     title: No Command
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/menu-triggers/camel-case.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: CamelCase Trigger
     title: CamelCase
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/menu-triggers/compound-invalid-format.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Invalid Format
     title: Invalid Format Test
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/menu-triggers/compound-mismatched-kebab.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Old Format
     title: Old Format Test
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/menu-triggers/duplicate-triggers.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Duplicate Triggers
     title: Duplicate
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/menu-triggers/empty-trigger.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Empty Trigger
     title: Empty
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/menu-triggers/leading-asterisk.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Asterisk Trigger
     title: Asterisk
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/menu-triggers/snake-case.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Snake Case Trigger
     title: Snake Case
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/menu-triggers/trigger-with-spaces.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Spaces Trigger
     title: Spaces
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/menu/empty-menu.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Empty Menu
     title: Empty Menu
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/menu/missing-menu.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Missing Menu
     title: Missing Menu
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/metadata/extra-metadata-fields.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Extra Fields
     title: Extra Fields
     icon: ❌
+    hasSidecar: false
     unknown_field: This is not allowed
     another_extra: Also invalid
 

test/fixtures/agent-schema/invalid/persona/empty-principles-array.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Empty Principles
     title: Empty Principles
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/persona/empty-string-in-principles.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Empty Principle String
     title: Empty Principle
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/persona/extra-persona-fields.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Extra Persona Fields
     title: Extra Persona
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/persona/missing-role.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Missing Role
     title: Missing Role
     icon: ❌
+    hasSidecar: false
 
   persona:
     identity: Test identity

test/fixtures/agent-schema/invalid/prompts/empty-content.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Empty Content
     title: Empty Content
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/prompts/extra-prompt-fields.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Extra Prompt Fields
     title: Extra Fields
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/prompts/missing-content.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Prompt Missing Content
     title: Missing Content
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/prompts/missing-id.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Prompt Missing ID
     title: Missing ID
     icon: ❌
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/invalid/top-level/extra-top-level-keys.agent.yaml

@@ -10,6 +10,7 @@ agent:
     name: Extra Test Agent
     title: Extra Test
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/valid/critical-actions/empty-critical-actions.agent.yaml

@@ -7,6 +7,7 @@ agent:
     name: Empty Critical Actions
     title: Empty Critical Actions
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent with empty critical actions

test/fixtures/agent-schema/valid/critical-actions/no-critical-actions.agent.yaml

@@ -7,6 +7,7 @@ agent:
     name: No Critical Actions
     title: No Critical Actions
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent without critical actions

test/fixtures/agent-schema/valid/critical-actions/valid-critical-actions.agent.yaml

@@ -7,6 +7,7 @@ agent:
     name: Valid Critical Actions
     title: Valid Critical Actions
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent with critical actions

test/fixtures/agent-schema/valid/menu-commands/all-command-types.agent.yaml

@@ -7,6 +7,7 @@ agent:
     name: All Command Types
     title: All Commands
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent with all command types

test/fixtures/agent-schema/valid/menu-commands/multiple-commands.agent.yaml

@@ -7,6 +7,7 @@ agent:
     name: Multiple Commands
     title: Multiple Commands
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent with multiple command targets

test/fixtures/agent-schema/valid/menu-triggers/compound-triggers.agent.yaml

@@ -7,6 +7,7 @@ agent:
     name: Compound Triggers
     title: Compound Triggers Test
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent with compound triggers

test/fixtures/agent-schema/valid/menu-triggers/kebab-case-triggers.agent.yaml

@@ -7,6 +7,7 @@ agent:
     name: Kebab Case Triggers
     title: Kebab Triggers
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent with kebab-case triggers

test/fixtures/agent-schema/valid/menu/multiple-menu-items.agent.yaml

@@ -7,6 +7,7 @@ agent:
     name: Multiple Menu Items
     title: Multiple Menu
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent with multiple menu items

test/fixtures/agent-schema/valid/menu/single-menu-item.agent.yaml

@@ -7,6 +7,7 @@ agent:
     name: Single Menu Item
     title: Single Menu
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent with single menu item

test/fixtures/agent-schema/valid/metadata/core-agent-with-module.agent.yaml

@@ -9,6 +9,7 @@ agent:
     title: Core Agent
     icon: ✅
     module: bmm
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/valid/metadata/empty-module-name-in-path.agent.yaml

@@ -8,6 +8,7 @@ agent:
     name: Empty Module in Path
     title: Empty Module Path
     icon: 🧪
+    hasSidecar: false
     # No module field - path has empty module name, treated as core
 
   persona:

test/fixtures/agent-schema/valid/metadata/malformed-path-treated-as-core.agent.yaml

@@ -8,6 +8,7 @@ agent:
     name: Malformed Path Test
     title: Malformed Path
     icon: 🧪
+    hasSidecar: false
     # No module field - will be treated as core since path parsing returns null
 
   persona:

test/fixtures/agent-schema/valid/metadata/module-agent-correct.agent.yaml

@@ -9,6 +9,7 @@ agent:
     title: BMM Test
     icon: 🧪
     module: bmm
+    hasSidecar: false
 
   persona:
     role: Test module agent

test/fixtures/agent-schema/valid/metadata/module-agent-missing-module.agent.yaml

@@ -8,6 +8,7 @@ agent:
     name: No Module
     title: Optional Module
     icon: ✅
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/valid/metadata/wrong-module-value.agent.yaml

@@ -9,6 +9,7 @@ agent:
     title: Any Module Value
     icon: ✅
     module: cis
+    hasSidecar: false
 
   persona:
     role: Test agent

test/fixtures/agent-schema/valid/persona/complete-persona.agent.yaml

@@ -7,6 +7,7 @@ agent:
     name: Complete Persona Agent
     title: Complete Persona
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Comprehensive test agent with all persona fields

test/fixtures/agent-schema/valid/prompts/empty-prompts.agent.yaml

@@ -7,6 +7,7 @@ agent:
     name: Empty Prompts
     title: Empty Prompts
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent with empty prompts

test/fixtures/agent-schema/valid/prompts/no-prompts.agent.yaml

@@ -7,6 +7,7 @@ agent:
     name: No Prompts
     title: No Prompts
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent without prompts

test/fixtures/agent-schema/valid/prompts/valid-prompts-minimal.agent.yaml

@@ -7,6 +7,7 @@ agent:
     name: Valid Prompts Minimal
     title: Valid Prompts
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent with minimal prompts

test/fixtures/agent-schema/valid/prompts/valid-prompts-with-description.agent.yaml

@@ -7,6 +7,7 @@ agent:
     name: Valid Prompts With Description
     title: Valid Prompts Desc
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent with prompts including descriptions

test/fixtures/agent-schema/valid/top-level/minimal-core-agent.agent.yaml

@@ -8,6 +8,7 @@ agent:
     name: Minimal Test Agent
     title: Minimal Test
     icon: 🧪
+    hasSidecar: false
 
   persona:
     role: Test agent with minimal configuration