feat(M4-009,M4-010,M4-011): routing rules CRUD, per-user overrides, agent capabilities (#320)

Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>

apps/gateway/src/agent/agent-config.dto.ts

@@ -11,6 +11,51 @@ import {
 
 const agentStatuses = ['idle', 'active', 'error', 'offline'] as const;
 
+// ─── Agent Capability Declarations (M4-011) ───────────────────────────────────
+
+/**
+ * Agent specialization capability fields.
+ * Stored inside the agent's `config` JSON as `capabilities`.
+ */
+export class AgentCapabilitiesDto {
+  /**
+   * Domains this agent specializes in, e.g. ['frontend', 'backend', 'devops'].
+   * Used by the routing engine to bias toward this agent for matching domains.
+   */
+  @IsOptional()
+  @IsArray()
+  @IsString({ each: true })
+  domains?: string[];
+
+  /**
+   * Default model identifier for this agent.
+   * Influences routing when no explicit rule overrides the choice.
+   */
+  @IsOptional()
+  @IsString()
+  @MaxLength(255)
+  preferredModel?: string;
+
+  /**
+   * Default provider for this agent.
+   * Influences routing when no explicit rule overrides the choice.
+   */
+  @IsOptional()
+  @IsString()
+  @MaxLength(255)
+  preferredProvider?: string;
+
+  /**
+   * Tool categories this agent has access to, e.g. ['web-search', 'code-exec'].
+   */
+  @IsOptional()
+  @IsArray()
+  @IsString({ each: true })
+  toolSets?: string[];
+}
+
+// ─── Create DTO ───────────────────────────────────────────────────────────────
+
 export class CreateAgentConfigDto {
   @IsString()
   @MaxLength(255)
@@ -49,11 +94,40 @@ export class CreateAgentConfigDto {
   @IsBoolean()
   isSystem?: boolean;
 
+  /**
+   * General config blob. May include `capabilities` (AgentCapabilitiesDto)
+   * for agent specialization declarations (M4-011).
+   */
   @IsOptional()
   @IsObject()
   config?: Record<string, unknown>;
+
+  // ─── Capability shorthand fields (M4-011) ──────────────────────────────────
+  // These are convenience top-level fields that get merged into config.capabilities.
+
+  @IsOptional()
+  @IsArray()
+  @IsString({ each: true })
+  domains?: string[];
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(255)
+  preferredModel?: string;
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(255)
+  preferredProvider?: string;
+
+  @IsOptional()
+  @IsArray()
+  @IsString({ each: true })
+  toolSets?: string[];
 }
 
+// ─── Update DTO ───────────────────────────────────────────────────────────────
+
 export class UpdateAgentConfigDto {
   @IsOptional()
   @IsString()
@@ -91,7 +165,33 @@ export class UpdateAgentConfigDto {
   @IsArray()
   skills?: string[] | null;
 
+  /**
+   * General config blob. May include `capabilities` (AgentCapabilitiesDto)
+   * for agent specialization declarations (M4-011).
+   */
   @IsOptional()
   @IsObject()
   config?: Record<string, unknown> | null;
+
+  // ─── Capability shorthand fields (M4-011) ──────────────────────────────────
+
+  @IsOptional()
+  @IsArray()
+  @IsString({ each: true })
+  domains?: string[] | null;
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(255)
+  preferredModel?: string | null;
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(255)
+  preferredProvider?: string | null;
+
+  @IsOptional()
+  @IsArray()
+  @IsString({ each: true })
+  toolSets?: string[] | null;
 }