feat(core): add location-scoped config loading (#29625)

packages/core/src/config/plugin/agent.ts

@@ -0,0 +1,66 @@
+export * as ConfigAgentPlugin from "./agent"
+
+import { Effect } from "effect"
+import { AgentV2 } from "../../agent"
+import { Config } from "../../config"
+import { ModelV2 } from "../../model"
+import { PermissionV2 } from "../../permission"
+import { PluginV2 } from "../../plugin"
+
+export const Plugin = PluginV2.define({
+  id: PluginV2.ID.make("config-agent"),
+  effect: Effect.gen(function* () {
+    const agent = yield* AgentV2.Service
+    const config = yield* Config.Service
+    const transform = yield* agent.transform()
+    const files = yield* config.get()
+
+    yield* transform((editor) => {
+      const permissions = new Map<AgentV2.ID, PermissionV2.Ruleset>()
+
+      for (const file of files) {
+        for (const [id, item] of Object.entries(file.info.agents ?? {})) {
+          const agentID = AgentV2.ID.make(id)
+          if (item.disabled) {
+            editor.remove(agentID)
+            permissions.delete(agentID)
+            continue
+          }
+
+          editor.update(agentID, (agent) => {
+            if (item.model !== undefined) {
+              const model = ModelV2.parse(item.model)
+              agent.model = { id: model.modelID, providerID: model.providerID, variant: agent.model?.variant }
+            }
+            if (item.variant !== undefined && agent.model !== undefined) {
+              agent.model.variant = ModelV2.VariantID.make(item.variant)
+            }
+            if (item.options !== undefined) {
+              Object.assign(agent.options.headers, item.options.headers ?? {})
+              Object.assign(agent.options.body, item.options.body ?? {})
+              Object.assign(agent.options.aisdk.provider, item.options.aisdk?.provider ?? {})
+              Object.assign(agent.options.aisdk.request, item.options.aisdk?.request ?? {})
+            }
+            if (item.system !== undefined) agent.system = item.system
+            if (item.description !== undefined) agent.description = item.description
+            if (item.mode !== undefined) agent.mode = item.mode
+            if (item.hidden !== undefined) agent.hidden = item.hidden
+            if (item.color !== undefined) agent.color = item.color
+            if (item.steps !== undefined) agent.steps = item.steps
+          })
+
+          if (item.permissions !== undefined) {
+            permissions.set(agentID, [...(permissions.get(agentID) ?? []), ...item.permissions])
+          }
+        }
+      }
+
+      const global = files.flatMap((file) => file.info.permissions ?? [])
+      for (const current of editor.list()) {
+        editor.update(current.id, (agent) => {
+          agent.permissions.push(...global, ...(permissions.get(current.id) ?? []))
+        })
+      }
+    })
+  }),
+})