feat: add ComponentGrid and ComponentTable components for displaying components in grid and table formats

feat: implement HealthBadge and RoleBadge components for displaying health status and roles

feat: create LogViewer component for streaming logs of services

feat: develop SecretsEditor for managing secrets with CRUD operations

feat: introduce ToolCard component for displaying tool information

style: add global CSS variables and styles for consistent theming

feat: set up API client for handling requests to the backend

feat: implement hooks for fetching components, statuses, and tools

feat: create routes for dashboard, component details, and tools

feat: add service management endpoints for starting, stopping, and restarting services

feat: implement event bus for handling real-time updates via SSE

feat: create health check and logs endpoints for monitoring services

feat: add tests for health and tools endpoints to ensure functionality

chore: update project configuration files and dependencies for better development experience

castle-api/src/castle_api/models.py

@@ -0,0 +1,92 @@
+"""Response models for the dashboard API."""
+
+from pydantic import BaseModel
+
+
+class SystemdInfo(BaseModel):
+    """Systemd unit information for a managed component."""
+
+    unit_name: str
+    unit_path: str
+    timer: bool = False
+
+
+class ComponentSummary(BaseModel):
+    """Summary of a single component."""
+
+    id: str
+    description: str | None = None
+    roles: list[str]
+    runner: str | None = None
+    port: int | None = None
+    health_path: str | None = None
+    proxy_path: str | None = None
+    managed: bool = False
+    systemd: SystemdInfo | None = None
+    version: str | None = None
+    source: str | None = None
+    system_dependencies: list[str] = []
+    schedule: str | None = None
+    installed: bool | None = None
+
+
+class ComponentDetail(ComponentSummary):
+    """Full detail for a single component, including raw manifest."""
+
+    manifest: dict
+
+
+class HealthStatus(BaseModel):
+    """Health status of a single component."""
+
+    id: str
+    status: str  # "up", "down", "unknown"
+    latency_ms: int | None = None
+
+
+class StatusResponse(BaseModel):
+    """Aggregated health status for all exposed components."""
+
+    statuses: list[HealthStatus]
+
+
+class GatewayInfo(BaseModel):
+    """Gateway configuration summary."""
+
+    port: int
+    component_count: int
+    service_count: int
+    managed_count: int
+
+
+class ServiceActionResponse(BaseModel):
+    """Response from a service management action."""
+
+    component: str
+    action: str
+    status: str
+
+
+class ToolSummary(BaseModel):
+    """Summary of a single tool."""
+
+    id: str
+    description: str | None = None
+    source: str | None = None
+    version: str | None = None
+    runner: str | None = None
+    system_dependencies: list[str] = []
+    installed: bool = False
+
+
+class ToolCategory(BaseModel):
+    """Tools grouped by category."""
+
+    name: str
+    tools: list[ToolSummary]
+
+
+class ToolDetail(ToolSummary):
+    """Full detail for a single tool, including documentation."""
+
+    docs: str | None = None