refactor: Align vocabulary — component → program / deployment

Canonical terms (see docs/registry.md glossary):
- program: any catalog entry (tool/daemon/frontend) — the software
- service / job: how a program is deployed (systemd .service / .timer)
- deployment: umbrella for the unified service+job+program view

Changes:
- core: ServiceSpec/JobSpec component: → program: (component accepted as
  back-compat validation_alias); DeployedComponent → Deployment.
- api: ComponentSummary/Detail → DeploymentSummary/Detail; GET /components
  → /deployments; GatewayRoute.component → program; GatewayInfo
  .component_count → deployment_count; ServiceActionResponse/action keys
  component → program.
- app: matching type renames, /components → /deployments hook, route
  /component/:name → /deployment/:name, GatewayRoute.program.
- docs: component-registry.md → registry.md (+ canonical glossary);
  CLAUDE.md endpoint list refreshed (drop removed /tools, add typed
  program/service/job + config routes).

Tests: core 92, cli 24, api 52 green; app build clean; ruff clean.

app/src/pages/ConfigEditor.tsx

@@ -3,7 +3,7 @@ import { Link } from "react-router-dom"
 import { ArrowLeft, Check, Loader2, Zap } from "lucide-react"
 import { useQuery, useQueryClient } from "@tanstack/react-query"
 import { apiClient } from "@/services/api/client"
-import type { ComponentDetail } from "@/types"
+import type { DeploymentDetail } from "@/types"
 import { AddComponent } from "@/components/AddComponent"
 import { ComponentEditor } from "@/components/ComponentEditor"
 
@@ -24,7 +24,7 @@ export function ConfigEditorPage() {
     queryFn: async () => {
       const list = await apiClient.get<{ id: string }[]>("/components")
       const details = await Promise.all(
-        list.map((c) => apiClient.get<ComponentDetail>(`/components/${c.id}`))
+        list.map((c) => apiClient.get<DeploymentDetail>(`/components/${c.id}`))
       )
       return details
     },

app/src/pages/NodeDetail.tsx

@@ -77,7 +77,7 @@ export function NodeDetailPage() {
                 >
                   <td className="px-3 py-2.5">
                     <Link
-                      to={`/component/${comp.id}`}
+                      to={`/deployment/${comp.id}`}
                       className="font-medium hover:text-[var(--primary)] transition-colors"
                     >
                       {comp.id}