diff --git a/docs/integration/heicode-desktop-client-api.md b/docs/integration/heicode-desktop-client-api.md
index 972b800e..0ed81ed6 100644
--- a/docs/integration/heicode-desktop-client-api.md
+++ b/docs/integration/heicode-desktop-client-api.md
@@ -313,17 +313,18 @@ signature = base64( ed25519_sign( device_priv, sha256(canonical) ) )
 
 ---
 
-## 5.2 Swarm 运行查询 🟡（#45 Phase1 · 只读预览）
+## 5.2 Swarm 运行查询 🟢（#45/#46 · 契约 v1 已冻结）
 
-多 Agent 蜂群运行(`agent_swarm` / HeiCode Swarm)的**只读查询**。数据全部来自 HM 已持久化的运行时回调(Swarm → HM 带签名回调),**无需实时调 Swarm**,故不受 `agent_swarm#2` 契约冻结阻塞。
+多 Agent 蜂群运行(`agent_swarm` / HeiCode Swarm)的查询。读类接口数据全部来自 HM 已持久化的运行时回调(Swarm → HM 带签名回调),**无需实时调 Swarm**;契约已冻结为 `runtime-contract v1`/`event-schema v1`(`agent_swarm#14`/`#15`)。
 
 | 方法 | 路径 | 说明 | 状态 |
 |---|---|---|---|
 | GET | `/api/heicode/swarms` | 列出我的 swarm 运行 | 🟢 本地数据 |
 | GET | `/api/heicode/swarms/:id` | 单个运行状态(:id = deployment_id / swarm_id / correlation_id 任一) | 🟢 |
 | GET | `/api/heicode/swarms/:id/events?after=&limit=` | 事件增量拉取(`after`=上次返回的 `next_after`,oldest-first) | 🟢 |
+| GET | `/api/heicode/swarms/:id/events/stream?after=` | **事件 SSE 实时流**(与 events 同源;进入即回放 `after` 之后历史) | 🟢 |
 | GET | `/api/heicode/swarms/:id/artifacts` | 从已存事件派生的产物 | 🟢(派生) |
-| POST | `/api/heicode/swarms/:id/stop` | 停止运行(**写**) | 🟡 待 `agent_swarm#2` 冻结 + `SWARM_RUNTIME_ENABLED=true` |
+| POST | `/api/heicode/swarms/:id/stop` | 停止运行(**写**,真实调运行时) | 🟢(开关:`SWARM_RUNTIME_ENABLED=true` + base_url + service token;否则 `POLICY_REJECTED`) |
 
 ```json
 // GET /api/heicode/swarms/:id
@@ -350,6 +351,8 @@ signature = base64( ed25519_sign( device_priv, sha256(canonical) ) )
 - **事件**:`sequence` = agent_swarm event-schema v1 的 **per-swarm 严格递增序号**(每 swarm 从 1、无空洞),客户端用它去重/排序;`id`/`next_after` 是 HM 不透明分页游标(单调,兼容 `sequence` 尚未全量上线)。事件 `payload` **已脱敏**(递归剔除 `secret_ref`/`credential_ref`/`signing_secret_ref`/credentials/大字段 + `RedactText` 兜底)。查询按**当前用户**作用域。
 - **新增事件类型**(已注册):`swarm.completed/failed/stopped`、`approval.approved/rejected`、`handoff.created`(event-schema v1)。
 - **artifact**:从 `artifact.created` 派生扁平 `{uri,checksum,task_id,size_bytes?,created_at}`(**无 secret_ref**;size 未知则省略,不伪造)。
+- **SSE 实时流**(`/events/stream`):`text/event-stream`,帧 `event: message` 的 `data` 即单条事件视图(同 `events` 的 item);命中终态(`swarm.completed/failed/stopped`)发 `event: done`(`{next_after,reason}`)后收流,客户端断开或超时(30min)亦收流。与轮询 `events?after` 等价,二选一;断线后用最后的 `next_after` 重新订阅即可续传。
+- **stop**:`SWARM_RUNTIME_ENABLED=true` 且配齐 base_url + service token 时真实调用运行时(`X-Idempotency-Key` 幂等),返回 `{accepted:true,runtime_status,...}`;**终态不在响应里**——由运行时异步回推 `swarm.stopped` 事件,客户端经 `events`/`stream` 收最终态。未启用则 `POLICY_REJECTED`(不伪造受理)。
 - `stop`(写):仍 gated,待 stop 真实接入 PR(复用运行时客户端 + `SWARM_RUNTIME_SERVICE_TOKEN`,契约 §3 已冻结)落地。
 
 ---
diff --git a/docs/integration/heicode-swarm-deferred.md b/docs/integration/heicode-swarm-deferred.md
index 299a71ed..a0fc611d 100644
--- a/docs/integration/heicode-swarm-deferred.md
+++ b/docs/integration/heicode-swarm-deferred.md
@@ -13,7 +13,12 @@
 - **HM（Heicode Manager）当前不实现 swarm runtime。** HM 的职责边界是：模型网关（`/v1/*`）+ 资源/权限/计费/审计 + **模板 Agent 部署编排**（经 AM 启动常驻 agent、客户端直连）。多 agent 蜂群编排**不在 HM 端**。
 - **旧的「HM 内部 sub/蜂群任务编排」模型已作废。** 那套（sub 任务、display_status、HM 侧蜂群 runtime 对接草案）随产品转向「模板 Agent + 客户端直连」一并下线，相关代码删除清单见 [`heicode-hm-legacy-teardown.md`](./heicode-hm-legacy-teardown.md)，当前模型见 [`heicode-hm-template-agent-model.md`](./heicode-hm-template-agent-model.md)。
 - **新版蜂群能力在 `agent_swarm`（HeiCode Swarm）仓，不在本仓。** 当前模型：主控 Agent（Master Agent，`orchestrator/master_agent.py`）把需求**分解**为子任务 → **派发**给不同领域的专家 Agent **并行执行** → 重叠领域**协作/移交** → 主控**评审/重做**循环（受 `MAX_REVIEW_CYCLES` 约束）→ **汇总交付**；Orchestrator(FastAPI) + Redis 权威状态 + WebSocket Agent 协议 + Prometheus 指标。旧文档描述的「HM 主导编排蜂群 / 仅 `/tasks`」已作废。HM 侧最多提供资源/计费/鉴权支撑面，runtime 与编排由 Swarm 承载。
-- **该仓尚未作为 Heicode 主链路正式 Runtime Backend 接入。** 按 `agent_swarm` README 与 `agent_swarm#2`：编排器已可运行（仓内），但 Manager↔Runtime 生命周期契约、HMAC 签名回调 envelope、稳定 `deployment_id`/`workflow_id`/`trace_id`、统一 usage/审计接入等仍为 🟡 待接入，需各 Team 评审冻结后联调。
+- **契约已冻结为 v1（2026-06-10）。** Swarm 侧已冻结 `runtime-contract v1`（`agent_swarm#14`：stop = `POST /api/agent/swarm/deployments/{deployment_id}/stop` + `Bearer SWARM_RUNTIME_SERVICE_TOKEN` + `X-Idempotency-Key`，受理后异步回推 `swarm.stopped`；`deployment_id↔swarm_id↔manager_deployment_id` 三映射；状态 §4.1 `blocked→degraded`）与 `event-schema v1`（`agent_swarm#15`：per-swarm 严格递增 `sequence`；新增 6 类事件；`secret_ref`/`credential_ref`/`signing_secret_ref` 按设计以 `azkv://` 引用透传）。
+- **HM 侧已据冻结契约落地读侧 + stop + SSE（不再 deferred 的部分）：**
+  - **只读查询（#45 / PR #59）🟢**：list/status/`events?after`/artifacts 全部基于 HM 已持久化的回调事件（`agent_callback.go` → `AgentCallbackEvent`），按 `user_id` 收口、payload 递归脱敏（剔除 secret_ref/凭据/大字段 + `RedactText` 兜底），**无需调用 Swarm 运行时**。`controller/agent_swarm_query.go`。
+  - **stop（#45）🟢（受开关约束）**：真实调用运行时冻结路径，复用 `agent_runtime_client` 的配置/URL/信封解析;`SWARM_RUNTIME_ENABLED=true` 且配齐 `SWARM_RUNTIME_BASE_URL` + `SWARM_RUNTIME_SERVICE_TOKEN` 时才发起，否则 `POLICY_REJECTED`，**绝不伪造 accepted**。终态不抢写,由 `swarm.stopped` 回调写回。
+  - **事件 SSE 实时流（#46 读侧）🟢**：`GET /api/heicode/swarms/:id/events/stream?after=`，与 `events?after` 同源（HM 持久化事件），命中终态（`swarm.completed/failed/stopped`）/客户端断开/超时结束，**不依赖运行时**。
+- **仍 deferred / 阻塞的部分：** ① **per-user 计费令牌注入（#60）**——swarm create 目前未像模板 Agent 那样现签隐藏 `sk-` 注入运行时（`OPENAI_API_KEY`+`OPENAI_API_BASE=HM/v1`），是 HM 唯一计费缺口，**阻塞于 Swarm 对 `agent_swarm#16` 注入口径 A/B 的确认**；② 事件 **append 写入 / 主动拉取**仍走回调被动落库，未做 HM→Swarm 主动拉取（无对应需求）。
 
 ---
 
@@ -22,10 +27,10 @@
 | 项 | 归属仓 / 负责人 | 说明 |
 |---|---|---|
 | Swarm runtime / 多 agent 编排 | **`agent_swarm`**（产品名 HeiCode Swarm，@Songhaoz666） | 执行面、Master-Agent 编排、回调、Swarm Runtime |
-| Manager ↔ Swarm 契约 | Swarm 侧**已起草正式契约** `agent_swarm/docs/integration/runtime-contract.md`（沿用 `heicode-am-contract` 的鉴权/回调/env/路径覆盖约定），**待 Manager Runtime Team 评审冻结**；冻结后在本目录 `docs/integration/` 另立 HM 侧对接契约 | Swarm 已实现生命周期接口 create/status/tasks/logs/events/metrics/workflow/diagnostics/stop/approvals（均带 `deployment_id`，三组路径别名 `/api/swarms`、`/api/agent/swarm/deployments`、`/api/agnet/deployments`）；契约冻结与主链路接入跟踪在 **`agent_swarm#2`**（`#1` 执行面缺口已关闭） |
+| Manager ↔ Swarm 契约 | Swarm 侧契约**已冻结为 v1**：`runtime-contract v1`（`agent_swarm#14`）+ `event-schema v1`（`agent_swarm#15`），见 `agent_swarm/docs/integration/`；HM 侧据此对接，本文为 HM 侧锚点 | Swarm 已实现生命周期接口 create/status/tasks/logs/events/metrics/workflow/diagnostics/stop/approvals（均带 `deployment_id`，三组路径别名 `/api/swarms`、`/api/agent/swarm/deployments`、`/api/agnet/deployments`）；HM 接入跟踪在 #45/#46/#60 与 PR #59 |
 | Agent 运行时（单 agent，已落地） | **`agent_management`（AM）**（@azgy） | 模板 Agent 启动/状态/停止/删除，契约见 [`heicode-am-contract.md`](./heicode-am-contract.md) |
 
-> **HM 侧后续若要支撑蜂群**：不恢复旧文档，按 Swarm 的 `runtime-contract.md` 冻结版在 `docs/integration/` 新立 HM 对接契约；本文作为「蜂群在 HM 侧当前为 deferred」的唯一锚点。HM 侧对接前置依赖见 issue #45（Phase1 只读查询，阻塞于 `agent_swarm#2` 契约冻结）/ #46（Phase2 SSE）。
+> **HM 侧对接状态（2026-06-10）**：契约已按 `runtime-contract v1`/`event-schema v1` 冻结（`agent_swarm#14`/`#15`）。HM 已落地 #45（只读查询 + stop，PR #59 + 本批）与 #46 读侧（events SSE）；剩余阻塞仅 #60（per-user 计费令牌注入，待 `agent_swarm#16` A/B 确认）。本文仍是「蜂群在 HM 侧」的唯一锚点——不恢复旧文档。
 
 ---
 
@@ -56,4 +61,4 @@
 
 ## 4. 给后续开发者的一句话
 
-要找「蜂群在 HM 侧怎么对接」——**当前答案是「HM 不实现 swarm runtime；Swarm 侧已起草 `agent_swarm/docs/integration/runtime-contract.md`，待 Manager Runtime Team 评审冻结（`agent_swarm#2`）后，HM 再据冻结版做只读查询接入（#45/#46）」**；旧设计（HM 主导编排 / 仅 `/tasks` / `HeiCode-Swarm` 仓名）已废，别从 git 历史里捞旧文档当依据，按本文与 `agent_swarm` 仓的最新结论走。
+要找「蜂群在 HM 侧怎么对接」——**当前答案是「HM 不实现 swarm runtime;但契约已冻结(`runtime-contract v1`/`event-schema v1`),HM 已据冻结版落地只读查询 + stop + 事件 SSE(#45/#46/PR #59),代码在 `controller/agent_swarm_query.go`;唯一剩余计费缺口是 per-user `sk-` 注入(#60),阻塞于 `agent_swarm#16`」**;旧设计(HM 主导编排 / 仅 `/tasks` / `HeiCode-Swarm` 仓名)已废,别从 git 历史里捞旧文档当依据,按本文与 `agent_swarm` 仓的最新结论走。
diff --git a/heicode/controller/agent_swarm_query.go b/heicode/controller/agent_swarm_query.go
index 71da9210..7c5936e7 100644
--- a/heicode/controller/agent_swarm_query.go
+++ b/heicode/controller/agent_swarm_query.go
@@ -1,9 +1,15 @@
 package controller
 
 import (
+	"bytes"
+	"context"
 	"errors"
+	"fmt"
+	"io"
+	"net/http"
 	"strconv"
 	"strings"
+	"time"
 
 	"github.com/gin-gonic/gin"
 	"github.com/heicode/manager/common"
@@ -298,23 +304,201 @@ func firstNonNil(vals ...any) any {
 }
 
 // HeicodeStopSwarm: POST /api/heicode/swarms/:id/stop — 停止 swarm 运行(写操作)。
-// 这是唯一需要真正调用 Swarm 运行时的操作。在 agent_swarm#2 契约冻结 + SWARM_RUNTIME_ENABLED=true
-// 前默认关闭并明确提示(不臆造未冻结的写接口)。冻结后在此接入运行时 stop(草案路径
-// /api/agent/swarm/deployments/{id}/stop)。
+// 这是唯一需要真正调用 Swarm 运行时的操作。契约已随 agent_swarm runtime-contract v1 冻结
+// (#45 复审 + agent_swarm#14):POST /api/agent/swarm/deployments/{deployment_id}/stop,
+// Bearer SWARM_RUNTIME_SERVICE_TOKEN,X-Idempotency-Key 幂等;运行时受理后异步停机并回推
+// swarm.stopped 事件。开关 SWARM_RUNTIME_ENABLED=false(默认)或缺 base_url/token 时一律拒绝,
+// **绝不伪造 accepted**(#45 复审 #2)。
 func HeicodeStopSwarm(c *gin.Context) {
 	dep, ok := findUserSwarmDeployment(c)
 	if !ok {
 		return
 	}
-	// 运行时 stop 的真实接入随 agent_swarm#2 契约冻结落地。**在此之前一律不伪造 accepted**
-	// (#45 复审 #2:开关打开也不能返回 accepted:true 误导客户端/审计)。无论开关如何,均返回
-	// 明确的「未实现/待契约」语义,直到真正接上运行时 stop。
-	_ = dep
-	if !common.GetEnvOrDefaultBool("SWARM_RUNTIME_ENABLED", false) {
+	cfg := agentRuntimeClientConfigForMode(agentRuntimeModeSwarm)
+	// 开关 + base_url + 服务令牌缺一不可:任一缺失都不调用、不伪造受理。
+	if !cfg.Enabled || strings.TrimSpace(cfg.BaseURL) == "" || strings.TrimSpace(cfg.Token) == "" {
 		agentError(c, "POLICY_REJECTED",
-			"swarm stop not enabled: set SWARM_RUNTIME_ENABLED=true after agent_swarm#2 runtime-contract freeze")
+			"swarm stop not enabled: requires SWARM_RUNTIME_ENABLED=true with SWARM_RUNTIME_BASE_URL and SWARM_RUNTIME_SERVICE_TOKEN")
 		return
 	}
-	agentError(c, "NOT_IMPLEMENTED",
-		"swarm stop runtime wiring is pending agent_swarm#2 contract freeze; not forwarded to runtime")
+	var body struct {
+		Reason string `json:"reason"`
+	}
+	_ = c.ShouldBindJSON(&body)
+	result, err := callSwarmRuntimeStop(c.Request.Context(), cfg, dep, body.Reason)
+	if err != nil {
+		common.SysLog("HeicodeStopSwarm: " + err.Error())
+		agentError(c, "RUNTIME_UNAVAILABLE", "failed to stop swarm run at runtime: "+err.Error())
+		return
+	}
+	// 运行时已受理停机;真正终态由运行时异步回推 swarm.stopped(经 /api/agent/callbacks)写回,
+	// HM 此处不抢先改写 dep.Status 以免与回调竞态。只落审计。
+	recordAgentAuditEvent(agentEvent{
+		EventID:       "evt_" + common.GetUUID()[:12],
+		Event:         "swarm.stop_requested",
+		SchemaVersion: 1,
+		UserID:        dep.UserID,
+		ChannelID:     dep.ChannelID,
+		BindingScope:  dep.BindingScope,
+		DeploymentID:  dep.DeploymentID,
+		CorrelationID: dep.CorrelationID,
+		OccurredAt:    agentNow(),
+	}, "agent_swarm_query", dep.DeploymentID, agentRequestID(c), "ok")
+	common.ApiSuccess(c, gin.H{
+		"deployment_id":  dep.DeploymentID,
+		"swarm_id":       dep.RuntimeSwarmID,
+		"accepted":       true,
+		"runtime_status": firstNonEmpty(result.RuntimeStatus, "stopping"),
+		"note":           "stop accepted by runtime; final state arrives via swarm.stopped callback",
+	})
+}
+
+// swarmStopResult 是运行时 stop 调用的归一化结果。
+type swarmStopResult struct {
+	RuntimeStatus string
+	HTTPStatus    int
+}
+
+// callSwarmRuntimeStop 向 Swarm 运行时发起真实 stop(runtime-contract v1)。复用 agent_runtime_client
+// 的配置/URL/信封解析 helper,但按 model.AgentDeployment 直接构造请求(无需 agentDeploymentRecord)。
+// runtime id 取 runtime_deployment_id,缺失时回退 runtime_swarm_id(契约三映射)。
+func callSwarmRuntimeStop(ctx context.Context, cfg agentRuntimeConfig, dep model.AgentDeployment, reason string) (swarmStopResult, error) {
+	runtimeID := firstNonEmpty(strings.TrimSpace(dep.RuntimeDeploymentID), strings.TrimSpace(dep.RuntimeSwarmID))
+	if runtimeID == "" {
+		return swarmStopResult{}, errors.New("swarm run has no runtime deployment id yet")
+	}
+	endpoint, err := agentRuntimeURL(cfg.BaseURL, agentRuntimeStopPath(cfg, runtimeID))
+	if err != nil {
+		return swarmStopResult{}, err
+	}
+	payload, err := common.Marshal(gin.H{
+		"reason":                firstNonEmpty(strings.TrimSpace(reason), "Heicode Manager requested stop"),
+		"manager_deployment_id": dep.DeploymentID,
+	})
+	if err != nil {
+		return swarmStopResult{}, err
+	}
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint, bytes.NewReader(payload))
+	if err != nil {
+		return swarmStopResult{}, err
+	}
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("Authorization", "Bearer "+strings.TrimSpace(cfg.Token))
+	// 幂等键固定按 manager deployment_id 派生:同一 stop 重试不会在运行时侧重复执行(契约要求)。
+	req.Header.Set("X-Idempotency-Key", "manager-stop-"+dep.DeploymentID)
+	if cid := strings.TrimSpace(dep.CorrelationID); cid != "" {
+		req.Header.Set("X-Correlation-ID", cid)
+	}
+	client := &http.Client{Timeout: cfg.Timeout}
+	resp, err := client.Do(req)
+	if err != nil {
+		return swarmStopResult{}, err
+	}
+	defer resp.Body.Close()
+	respBody, readErr := io.ReadAll(io.LimitReader(resp.Body, 1<<20))
+	if readErr != nil {
+		return swarmStopResult{HTTPStatus: resp.StatusCode}, readErr
+	}
+	if resp.StatusCode < http.StatusOK || resp.StatusCode >= http.StatusMultipleChoices {
+		return swarmStopResult{HTTPStatus: resp.StatusCode}, fmt.Errorf("runtime stop returned HTTP %d: %s", resp.StatusCode, strings.TrimSpace(string(respBody)))
+	}
+	var envelope map[string]any
+	if len(respBody) > 0 {
+		if err := common.Unmarshal(respBody, &envelope); err != nil {
+			return swarmStopResult{HTTPStatus: resp.StatusCode}, err
+		}
+	}
+	if message := agentRuntimeEnvelopeError(envelope); message != "" {
+		return swarmStopResult{HTTPStatus: resp.StatusCode}, errors.New(message)
+	}
+	data := extractAgentRuntimeData(envelope)
+	return swarmStopResult{
+		RuntimeStatus: stringFromMap(data, "runtime_status", "status"),
+		HTTPStatus:    resp.StatusCode,
+	}, nil
+}
+
+// swarmTerminalEventTypes 是 agent_swarm event-schema v1(#15)的运行终态事件。命中即可结束 SSE 流。
+var swarmTerminalEventTypes = map[string]bool{
+	"swarm.completed": true,
+	"swarm.failed":    true,
+	"swarm.stopped":   true,
+}
+
+func swarmEventIsTerminal(eventType string) bool {
+	return swarmTerminalEventTypes[strings.ToLower(strings.TrimSpace(eventType))]
+}
+
+// HeicodeStreamSwarmEvents: GET /api/heicode/swarms/:id/events/stream?after= — SSE 实时事件流。
+//
+// 与 §events?after 同源:**全部来自 HM 已持久化的回调事件**(model.ListSwarmCallbackEventsAfter,
+// 按 user_id 收口防跨用户泄漏),服务端轮询新事件后以 SSE 帧推送,**无需调用 Swarm 运行时**——
+// 因此与 stop 不同,不受 SWARM_RUNTIME_ENABLED 限制。事件 payload 经 swarmEventView 脱敏。
+// 进入即回放 after 之后的历史(免去客户端先调 events?after 再订阅);命中终态事件
+// (swarm.completed/failed/stopped)、客户端断开或超过 maxLifetime 即结束。
+func HeicodeStreamSwarmEvents(c *gin.Context) {
+	dep, ok := findUserSwarmDeployment(c)
+	if !ok {
+		return
+	}
+	userID := strconv.Itoa(c.GetInt("id"))
+	after, _ := strconv.Atoi(strings.TrimSpace(c.Query("after")))
+
+	c.Writer.Header().Set("Content-Type", "text/event-stream")
+	c.Writer.Header().Set("Cache-Control", "no-cache")
+	c.Writer.Header().Set("Connection", "keep-alive")
+	c.Writer.Header().Set("X-Accel-Buffering", "no") // 关掉反代缓冲,逐帧下发
+
+	const (
+		pollInterval = 1500 * time.Millisecond
+		maxLifetime  = 30 * time.Minute
+	)
+	deadline := time.Now().Add(maxLifetime)
+	ticker := time.NewTicker(pollInterval)
+	defer ticker.Stop()
+	ctx := c.Request.Context()
+
+	// flush 推送 after 之后的新事件,返回 false 表示已命中终态(应结束流)或读失败。
+	flush := func() bool {
+		events, err := model.ListSwarmCallbackEventsAfter(userID, dep.DeploymentID, dep.RuntimeSwarmID, after, 200)
+		if err != nil {
+			c.SSEvent("error", gin.H{"message": "failed to read swarm events"})
+			c.Writer.Flush()
+			return false
+		}
+		terminal := false
+		for _, e := range events {
+			c.SSEvent("message", swarmEventView(e))
+			if e.Id > after {
+				after = e.Id
+			}
+			if swarmEventIsTerminal(e.EventType) {
+				terminal = true
+			}
+		}
+		c.Writer.Flush()
+		return !terminal
+	}
+	if !flush() {
+		c.SSEvent("done", gin.H{"next_after": after, "reason": "terminal"})
+		c.Writer.Flush()
+		return
+	}
+	for {
+		select {
+		case <-ctx.Done(): // 客户端断开
+			return
+		case <-ticker.C:
+			if time.Now().After(deadline) {
+				c.SSEvent("done", gin.H{"next_after": after, "reason": "timeout"})
+				c.Writer.Flush()
+				return
+			}
+			if !flush() {
+				c.SSEvent("done", gin.H{"next_after": after, "reason": "terminal"})
+				c.Writer.Flush()
+				return
+			}
+		}
+	}
 }
diff --git a/heicode/controller/agent_swarm_query_test.go b/heicode/controller/agent_swarm_query_test.go
index e6ee5f4e..5dcba5b5 100644
--- a/heicode/controller/agent_swarm_query_test.go
+++ b/heicode/controller/agent_swarm_query_test.go
@@ -1,9 +1,13 @@
 package controller
 
 import (
+	"context"
 	"encoding/json"
+	"net/http"
+	"net/http/httptest"
 	"strings"
 	"testing"
+	"time"
 
 	"github.com/heicode/manager/model"
 	"github.com/stretchr/testify/require"
@@ -80,6 +84,86 @@ func TestSwarmArtifactView(t *testing.T) {
 	require.Equal(t, "2026-06-10T01:00:00Z", v2["created_at"])
 }
 
+// #45/#15: SSE 终态判定 —— 仅 swarm.completed/failed/stopped 收流,其余继续。
+func TestSwarmEventIsTerminal(t *testing.T) {
+	for _, et := range []string{"swarm.completed", "swarm.failed", "swarm.stopped", "SWARM.STOPPED"} {
+		require.True(t, swarmEventIsTerminal(et), "%s 应为终态", et)
+	}
+	for _, et := range []string{"swarm.started", "handoff.created", "approval.approved", "", "running"} {
+		require.False(t, swarmEventIsTerminal(et), "%s 不应为终态", et)
+	}
+}
+
+// #45: stop 真实接入 —— 命中冻结契约路径/鉴权/幂等头,并解析 {success,data} 信封。
+func TestCallSwarmRuntimeStop(t *testing.T) {
+	var gotPath, gotAuth, gotIdem, gotCorr string
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		gotPath = r.URL.Path
+		gotAuth = r.Header.Get("Authorization")
+		gotIdem = r.Header.Get("X-Idempotency-Key")
+		gotCorr = r.Header.Get("X-Correlation-ID")
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"success":true,"data":{"runtime_status":"stopping"}}`))
+	}))
+	defer srv.Close()
+
+	cfg := agentRuntimeConfig{
+		Enabled:  true,
+		BaseURL:  srv.URL,
+		Token:    "svc-token",
+		StopPath: "/api/agent/swarm/deployments/{deployment_id}/stop",
+		Timeout:  5 * time.Second,
+	}
+	dep := model.AgentDeployment{
+		DeploymentID:        "dep-1",
+		RuntimeDeploymentID: "rt-9",
+		RuntimeSwarmID:      "sw-7",
+		CorrelationID:       "cor-3",
+	}
+	res, err := callSwarmRuntimeStop(context.Background(), cfg, dep, "user requested")
+	require.NoError(t, err)
+	require.Equal(t, "stopping", res.RuntimeStatus)
+	require.Equal(t, "/api/agent/swarm/deployments/rt-9/stop", gotPath) // runtime_deployment_id 优先
+	require.Equal(t, "Bearer svc-token", gotAuth)
+	require.Equal(t, "manager-stop-dep-1", gotIdem) // 幂等键按 manager deployment_id 派生
+	require.Equal(t, "cor-3", gotCorr)
+}
+
+// runtime_deployment_id 缺失时回退 runtime_swarm_id(契约三映射);无任何 runtime id 则报错不发请求。
+func TestCallSwarmRuntimeStop_RuntimeIDFallbackAndMissing(t *testing.T) {
+	var gotPath string
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		gotPath = r.URL.Path
+		_, _ = w.Write([]byte(`{"success":true,"data":{}}`))
+	}))
+	defer srv.Close()
+	cfg := agentRuntimeConfig{
+		Enabled: true, BaseURL: srv.URL, Token: "t",
+		StopPath: "/api/agent/swarm/deployments/{deployment_id}/stop", Timeout: 5 * time.Second,
+	}
+	_, err := callSwarmRuntimeStop(context.Background(), cfg, model.AgentDeployment{DeploymentID: "d", RuntimeSwarmID: "sw-only"}, "")
+	require.NoError(t, err)
+	require.Equal(t, "/api/agent/swarm/deployments/sw-only/stop", gotPath)
+
+	_, err = callSwarmRuntimeStop(context.Background(), cfg, model.AgentDeployment{DeploymentID: "d"}, "")
+	require.Error(t, err) // 无 runtime id → 不发请求
+}
+
+// 运行时非 2xx → 返回错误(handler 据此回 RUNTIME_UNAVAILABLE,不伪造受理)。
+func TestCallSwarmRuntimeStop_RuntimeError(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusBadGateway)
+		_, _ = w.Write([]byte(`upstream down`))
+	}))
+	defer srv.Close()
+	cfg := agentRuntimeConfig{
+		Enabled: true, BaseURL: srv.URL, Token: "t",
+		StopPath: "/api/agent/swarm/deployments/{deployment_id}/stop", Timeout: 5 * time.Second,
+	}
+	_, err := callSwarmRuntimeStop(context.Background(), cfg, model.AgentDeployment{DeploymentID: "d", RuntimeDeploymentID: "rt"}, "")
+	require.Error(t, err)
+}
+
 // #15: 6 类新事件已注册(类别 + 必填字段两张表)。
 func TestSwarmFrozenEventTypesRegistered(t *testing.T) {
 	for _, et := range []string{
diff --git a/heicode/router/api-router.go b/heicode/router/api-router.go
index ac728179..2eb9d5ab 100644
--- a/heicode/router/api-router.go
+++ b/heicode/router/api-router.go
@@ -552,10 +552,12 @@ func SetApiRouter(router *gin.Engine) {
 			// Gated by HEICODE_TELEMETRY_ENABLED (default off -> 410 kill switch).
 			heicodeAgentRoute.POST("/telemetry/events", controller.HeicodeTelemetryEvents)
 			// Swarm Run query (#45 Phase1). Read-only views served from HM-persisted
-			// callback data (no live Swarm call); stop is gated pending agent_swarm#2 freeze.
+			// callback data (no live Swarm call); stop calls the runtime (runtime-contract v1,
+			// gated by SWARM_RUNTIME_ENABLED + base_url + service token).
 			heicodeAgentRoute.GET("/swarms", controller.HeicodeListSwarms)
 			heicodeAgentRoute.GET("/swarms/:id", controller.HeicodeGetSwarmStatus)
 			heicodeAgentRoute.GET("/swarms/:id/events", controller.HeicodeListSwarmEvents)
+			heicodeAgentRoute.GET("/swarms/:id/events/stream", controller.HeicodeStreamSwarmEvents)
 			heicodeAgentRoute.GET("/swarms/:id/artifacts", controller.HeicodeListSwarmArtifacts)
 			heicodeAgentRoute.POST("/swarms/:id/stop", controller.HeicodeStopSwarm)
 		}