diff --git a/agent/chat.go b/agent/chat.go
index 6562bff..237fbef 100644
--- a/agent/chat.go
+++ b/agent/chat.go
@@ -57,14 +57,15 @@ func chatWorkDirSpec(workDir string) string {
 
 // chatSystem renders the DB-managed prompt body for agentKey. Custom agents have
 // no per-key in-code default, so DefaultAssistantPrompt is the render fallback.
-func chatSystem(agentKey, workDir string) string {
-	return renderSystem(agentKey, DefaultAssistantPrompt, chatVars{Now: nowStr()}) + chatWorkDirSpec(workDir)
+func chatSystem(agentKey, dataDir, workDir string) string {
+	return renderSystem(agentKey, DefaultAssistantPrompt, chatVars{DataDir: dataDir, Now: nowStr()}) + chatWorkDirSpec(workDir)
 }
 
 // chatVars carries the runtime variables a custom agent's prompt may reference.
-// Now (server wall-clock, refreshed each turn) is the only one today; any other
-// {{.X}} fails to render and falls back to DefaultAssistantPrompt.
-type chatVars struct{ Now string }
+// DataDir (server data root) + Now (server wall-clock, refreshed each turn) are the
+// universal ones; any other {{.X}} fails to render and falls back to
+// DefaultAssistantPrompt.
+type chatVars struct{ DataDir, Now string }
 
 // Chat runs ONE turn of a conversation with the agent identified by agentKey,
 // resuming prior history keyed by sessionID. maxTurns is the per-turn agent step
@@ -94,7 +95,7 @@ func (c *ChatAgent) Chat(ctx context.Context, agentKey, sessionID, message strin
 	tools, def, cleanup := AugmentTools(ctx, agentKey, base)
 	defer cleanup()
 
-	system, boundary := deferredSystem(chatSystem(agentKey, sessionWorkDir), def)
+	system, boundary := deferredSystem(chatSystem(agentKey, c.workDir, sessionWorkDir), def)
 	opts := agentcore.Options{
 		Provider:        c.prov,
 		SystemPrompt:    system,
diff --git a/agent/goals.go b/agent/goals.go
index 3c1341c..3674215 100644
--- a/agent/goals.go
+++ b/agent/goals.go
@@ -72,7 +72,7 @@ type GoalSpec struct {
 //
 // as + taskID, when non-nil/positive, wire the add_task_scope tool so the
 // decomposer can register the explicit asset scope it extracts from the goal.
-func DecomposeGoals(ctx context.Context, c Config, goalText, desc string, as *db.AssetStore, taskID int64, emit func(db.Activity)) []GoalSpec {
+func DecomposeGoals(ctx context.Context, c Config, dataDir, goalText, desc string, as *db.AssetStore, taskID int64, emit func(db.Activity)) []GoalSpec {
 	prov, err := c.NewProvider()
 	if err != nil {
 		return nil
@@ -102,7 +102,7 @@ func DecomposeGoals(ctx context.Context, c Config, goalText, desc string, as *db
 	// Description rides in the user message (same channel as the goal), NOT via the
 	// {{.EngagementDescription}} template var — else a prompt that references the var
 	// would inject the description twice. System prompt stays pure static instructions.
-	sys := renderSystem("goals", goalsDefaultTmpl, GoalsVars{Now: nowStr()})
+	sys := renderSystem("goals", goalsDefaultTmpl, GoalsVars{DataDir: dataDir, Now: nowStr()})
 	tools := []actool.CoreTool{submitTool}
 	// Wire add_task_scope only when we have a real asset store + task to write to.
 	// The scope-extraction tail is appended in lockstep so the prompt never asks for
diff --git a/agent/mainagent.go b/agent/mainagent.go
index 8b0b702..9269a25 100644
--- a/agent/mainagent.go
+++ b/agent/mainagent.go
@@ -54,8 +54,8 @@ const mainAgentDefaultTmpl = `你是一个授权渗透测试系统的"主 agent"
 
 不要编造发现；只根据工具返回的真实数据回答。`
 
-func mainAgentSystem(goal, workDir string) string {
-	body := renderSystem("mainagent", mainAgentDefaultTmpl, MainVars{Goal: goal, Now: nowStr()})
+func mainAgentSystem(goal, dataDir, workDir string) string {
+	body := renderSystem("mainagent", mainAgentDefaultTmpl, MainVars{Goal: goal, DataDir: dataDir, Now: nowStr()})
 	return body + artifactSpec(workDir)
 }
 
@@ -76,7 +76,7 @@ func (m *MainAgent) Chat(ctx context.Context, taskID int64, as *db.AssetStore, t
 	defer cleanup()
 	// 本任务的工作目录 <workDir>/<taskID>，先建好。
 	mainDir := ensureRunDir(m.workDir, taskID, 0)
-	system, boundary := deferredSystem(mainAgentSystem(goal, mainDir), def)
+	system, boundary := deferredSystem(mainAgentSystem(goal, m.workDir, mainDir), def)
 	opts := agentcore.Options{
 		Provider:        m.prov,
 		SystemPrompt:    system,
diff --git a/agent/planner.go b/agent/planner.go
index 618ae99..ba297c6 100644
--- a/agent/planner.go
+++ b/agent/planner.go
@@ -228,8 +228,8 @@ const plannerDefaultTmpl = `你是一个授权渗透测试系统的"规划者"
 
 宁可不生成，也不要重复或硬凑。简洁、克制、高效。`
 
-func plannerSystem(goal, workDir string) string {
-	body := renderSystem("planner", plannerDefaultTmpl, PlannerVars{Goal: goal, Now: nowStr()})
+func plannerSystem(goal, dataDir, workDir string) string {
+	body := renderSystem("planner", plannerDefaultTmpl, PlannerVars{Goal: goal, DataDir: dataDir, Now: nowStr()})
 	return body + artifactSpec(workDir)
 }
 
@@ -269,7 +269,7 @@ func (p *Planner) Plan(ctx context.Context, taskID int64, as *db.AssetStore, ts
 	}
 	// 本任务的工作目录 <workDir>/<taskID>，先建好。
 	taskDir := ensureRunDir(p.workDir, taskID, 0)
-	system, boundary := deferredSystem(plannerSystem(goal, taskDir), def)
+	system, boundary := deferredSystem(plannerSystem(goal, p.workDir, taskDir), def)
 	// planner 无自身墙钟预算;有 deadline 时把 MaxDuration 夹逼到剩余,让在跑的规划轮在
 	// 任务到点时进收尾(因超时→任务超时词,因步数→per-run 词)。
 	maxDur, clamped := clampMaxDuration(tc.DeadlineUnix, 0)
diff --git a/agent/prompt.go b/agent/prompt.go
index 2860cf7..00bb229 100644
--- a/agent/prompt.go
+++ b/agent/prompt.go
@@ -15,10 +15,10 @@ var PromptOverride func(agentKey string) (string, bool)
 // Prompt-variable structs — fields mirror each agent's catalog (docs §5a) so a
 // user template referencing a catalog variable renders; referencing anything else
 // fails template execution and falls back to the built-in default.
-type PlannerVars struct{ Goal, Scope, AssetSummary, Now string }
-type WorkerVars struct{ ProxyAddr, WorkerName, Now string }
-type MainVars struct{ Goal, AssetSummary, FindingsSummary, Now string }
-type GoalsVars struct{ EngagementDescription, Now string }
+type PlannerVars struct{ Goal, Scope, AssetSummary, DataDir, Now string }
+type WorkerVars struct{ ProxyAddr, WorkerName, DataDir, Now string }
+type MainVars struct{ Goal, AssetSummary, FindingsSummary, DataDir, Now string }
+type GoalsVars struct{ EngagementDescription, DataDir, Now string }
 
 // nowStr is the server-local wall-clock string exposed as the universal {{.Now}}
 // prompt variable. renderSystem runs on every agent turn/round, so this is fresh
diff --git a/agent/prompt_now_test.go b/agent/prompt_now_test.go
index 604b38e..4cd5f60 100644
--- a/agent/prompt_now_test.go
+++ b/agent/prompt_now_test.go
@@ -20,7 +20,7 @@ func TestChatNowVarRenders(t *testing.T) {
 		return "", false
 	}
 
-	out := chatSystem("tec_benchmark", "/tmp/x")
+	out := chatSystem("tec_benchmark", "/app/data", "/tmp/x")
 	if !strings.Contains(out, "当前时间：") {
 		t.Fatalf("custom prompt body missing, likely fell back to default: %q", out)
 	}
@@ -30,6 +30,23 @@ func TestChatNowVarRenders(t *testing.T) {
 	}
 }
 
+// TestChatDataDirVarRenders verifies the universal {{.DataDir}} runtime variable:
+// a custom prompt referencing it renders the server data root (s.m.dir), rather
+// than failing template execution and falling back to DefaultAssistantPrompt.
+func TestChatDataDirVarRenders(t *testing.T) {
+	prev := PromptOverride
+	defer func() { PromptOverride = prev }()
+
+	PromptOverride = func(key string) (string, bool) {
+		return "数据根目录：{{.DataDir}}", true
+	}
+
+	out := chatSystem("tec_benchmark", "/app/data", "/tmp/x")
+	if !strings.Contains(out, "数据根目录：/app/data") {
+		t.Fatalf("{{.DataDir}} did not render the data root: %q", out)
+	}
+}
+
 // TestChatUnknownVarFallsBack verifies an out-of-catalog {{.X}} still degrades
 // safely to the default assistant prompt (never a half-rendered prompt).
 func TestChatUnknownVarFallsBack(t *testing.T) {
@@ -40,7 +57,7 @@ func TestChatUnknownVarFallsBack(t *testing.T) {
 		return "引用了不存在的变量：{{.Bogus}}", true
 	}
 
-	out := chatSystem("whatever", "/tmp/x")
+	out := chatSystem("whatever", "/app/data", "/tmp/x")
 	if strings.Contains(out, "引用了不存在的变量") {
 		t.Fatalf("broken template should have fallen back, got custom body: %q", out)
 	}
diff --git a/agent/prompt_test.go b/agent/prompt_test.go
index 9c9f921..66d7fe4 100644
--- a/agent/prompt_test.go
+++ b/agent/prompt_test.go
@@ -34,7 +34,7 @@ func TestRenderSystemOverrideAndFallback(t *testing.T) {
 	// full plannerSystem path: DB body [A] is honored, then the code-owned tail
 	// [C] (中间产物输出规约) is ALWAYS appended — editing the body can't drop it.
 	PromptOverride = func(k string) (string, bool) { return "PLANNER {{.Goal}}", true }
-	got := plannerSystem("拿下X", "/data")
+	got := plannerSystem("拿下X", "/data", "/data")
 	if !strings.HasPrefix(got, "PLANNER 拿下X") {
 		t.Fatalf("plannerSystem body not honored: %q", got)
 	}
@@ -47,7 +47,7 @@ func TestRenderSystemOverrideAndFallback(t *testing.T) {
 	PromptOverride = func(k string) (string, bool) {
 		return "{{if .ProxyAddr}}走代理 {{.ProxyAddr}}{{else}}手动{{end}}", true
 	}
-	withProxy := workerSystem("127.0.0.1:8080", "/data")
+	withProxy := workerSystem("127.0.0.1:8080", "/data", "/data")
 	if !strings.HasPrefix(withProxy, "走代理 127.0.0.1:8080") {
 		t.Fatalf("worker proxy branch body: %q", withProxy)
 	}
@@ -57,7 +57,7 @@ func TestRenderSystemOverrideAndFallback(t *testing.T) {
 	if !strings.Contains(withProxy, "中间产物输出规约") {
 		t.Fatalf("worker missing artifact tail: %q", withProxy)
 	}
-	noProxy := workerSystem("", "/data")
+	noProxy := workerSystem("", "/data", "/data")
 	if !strings.HasPrefix(noProxy, "手动") {
 		t.Fatalf("worker no-proxy branch body: %q", noProxy)
 	}
diff --git a/agent/worker.go b/agent/worker.go
index 39b37fc..4bd5f29 100644
--- a/agent/worker.go
+++ b/agent/worker.go
@@ -182,8 +182,8 @@ func ensureRunDir(base string, taskID, intentID int64) string {
 // cmdOutDir is the SDK large-tool-output spill dir under an agent's run dir.
 func cmdOutDir(dir string) string { return filepath.Join(dir, "cmd-output") }
 
-func workerSystem(proxyAddr, runDir string) string {
-	body := renderSystem("worker", workerDefaultTmpl, WorkerVars{ProxyAddr: proxyAddr, Now: nowStr()})
+func workerSystem(proxyAddr, dataDir, runDir string) string {
+	body := renderSystem("worker", workerDefaultTmpl, WorkerVars{ProxyAddr: proxyAddr, DataDir: dataDir, Now: nowStr()})
 	return body + workerTrafficBlock(proxyAddr) + workerArtifactSpec(runDir)
 }
 
@@ -263,7 +263,7 @@ func (w *Worker) Execute(ctx context.Context, name string, taskID int64, as *db.
 	// 压缩。本次意图的专属工作目录 <workDir>/<taskID>/i<intentID>，引擎侧先建好。
 	runDir := ensureRunDir(w.workDir, taskID, intent.ID)
 	overview := renderWorkerGraphOverview(tsx.graphOverviewData())
-	system, boundary := deferredSystem(workerSystem(w.proxyAddr, runDir), def)
+	system, boundary := deferredSystem(workerSystem(w.proxyAddr, w.workDir, runDir), def)
 	// 任务级 deadline(经 ctx 注入)夹逼本 run 的墙钟预算 + 决定收尾词(见 taskclock.go)。
 	tc := taskClockFrom(ctx)
 	maxDur, clamped := clampMaxDuration(tc.DeadlineUnix, w.runTimeout)
diff --git a/db/config.go b/db/config.go
index b33096b..df31ddf 100644
--- a/db/config.go
+++ b/db/config.go
@@ -142,7 +142,7 @@ type Agent struct {
 	TriggerMaxParallel int    `json:"trigger_max_parallel"`
 }
 
-const agentCols = `id,key,name,COALESCE(description,''),role,builtin,enabled,COALESCE(max_turns,0),COALESCE(run_seconds,600),COALESCE(web_search,false),COALESCE(interactive_shell,false),COALESCE(wrapup_prompt,''),COALESCE(wrapup_max_turns,0),COALESCE(task_timeout_wrapup_prompt,''),COALESCE(task_timeout_wrapup_max_turns,0),COALESCE(trigger_run_mode,'serial'),COALESCE(trigger_merge_mode,'by_task'),COALESCE(trigger_max_parallel,5),llm_profile_id`
+const agentCols = `id,key,name,COALESCE(description,''),role,builtin,enabled,COALESCE(max_turns,0),COALESCE(run_seconds,600),COALESCE(web_search,false),COALESCE(interactive_shell,false),COALESCE(wrapup_prompt,''),COALESCE(wrapup_max_turns,0),COALESCE(task_timeout_wrapup_prompt,''),COALESCE(task_timeout_wrapup_max_turns,0),COALESCE(trigger_run_mode,'serial'),COALESCE(trigger_merge_mode,'all'),COALESCE(trigger_max_parallel,5),llm_profile_id`
 
 func scanAgent(sc interface{ Scan(...any) error }) (*Agent, error) {
 	var a Agent
diff --git a/db/schema.sql b/db/schema.sql
index 8a529c7..f4d7fba 100644
--- a/db/schema.sql
+++ b/db/schema.sql
@@ -300,7 +300,7 @@ CREATE TABLE IF NOT EXISTS agents (
     task_timeout_wrapup_prompt    TEXT NOT NULL DEFAULT '',
     task_timeout_wrapup_max_turns INTEGER NOT NULL DEFAULT 0,
     trigger_run_mode     TEXT    NOT NULL DEFAULT 'serial'  CHECK (trigger_run_mode IN ('serial','parallel')),
-    trigger_merge_mode   TEXT    NOT NULL DEFAULT 'by_task' CHECK (trigger_merge_mode IN ('by_task','all','none')),
+    trigger_merge_mode   TEXT    NOT NULL DEFAULT 'all' CHECK (trigger_merge_mode IN ('by_task','all','none')),
     trigger_max_parallel INTEGER NOT NULL DEFAULT 5,
     created_at        TIMESTAMPTZ NOT NULL DEFAULT now(),
     updated_at        TIMESTAMPTZ NOT NULL DEFAULT now(),
@@ -308,7 +308,7 @@ CREATE TABLE IF NOT EXISTS agents (
 );
 -- 加列迁移(已发版,旧库升级补列;新库 CREATE 已含。迁移不带 CHECK:旧库存量安全 + 后端写入白名单兜底)。
 ALTER TABLE agents ADD COLUMN IF NOT EXISTS trigger_run_mode     TEXT    NOT NULL DEFAULT 'serial';
-ALTER TABLE agents ADD COLUMN IF NOT EXISTS trigger_merge_mode   TEXT    NOT NULL DEFAULT 'by_task';
+ALTER TABLE agents ADD COLUMN IF NOT EXISTS trigger_merge_mode   TEXT    NOT NULL DEFAULT 'all';
 ALTER TABLE agents ADD COLUMN IF NOT EXISTS trigger_max_parallel INTEGER NOT NULL DEFAULT 5;
 -- per-agent LLM 绑定(agent 级默认模型):列自初版即在上方 CREATE 中,此 ALTER 仅为极旧库兜底(幂等)。
 ALTER TABLE agents ADD COLUMN IF NOT EXISTS llm_profile_id BIGINT REFERENCES llm_profiles(id) ON DELETE SET NULL;
diff --git a/server/conversations.go b/server/conversations.go
index aa49e16..ba692fc 100644
--- a/server/conversations.go
+++ b/server/conversations.go
@@ -363,9 +363,9 @@ type triggerBehavior struct {
 }
 
 // readTriggerBehavior loads an agent's策略, falling back to safe defaults
-// (serial / by_task / 5) on any error or unknown enum value.
+// (serial / all / 5) on any error or unknown enum value.
 func (s *Server) readTriggerBehavior(agentKey string) triggerBehavior {
-	b := triggerBehavior{runMode: "serial", mergeMode: "by_task", maxParallel: 5}
+	b := triggerBehavior{runMode: "serial", mergeMode: "all", maxParallel: 5}
 	if s.m.pg == nil {
 		return b
 	}
diff --git a/server/goals.go b/server/goals.go
index d2776cc..aefb30e 100644
--- a/server/goals.go
+++ b/server/goals.go
@@ -65,7 +65,7 @@ func (s *Server) createGoals(ctx context.Context, t *Task, emit func(db.Activity
 			as = s.m.Assets()
 		}
 		taskID, _ := strconv.ParseInt(t.ID, 10, 64)
-		for _, g := range agent.DecomposeGoals(ctx, cfg, t.Goal, t.Description, as, taskID, emit) {
+		for _, g := range agent.DecomposeGoals(ctx, cfg, s.m.dir, t.Goal, t.Description, as, taskID, emit) {
 			if strings.TrimSpace(g.Text) != "" {
 				specs = append(specs, goalSpec{Text: g.Text, VulnClass: g.VulnClass})
 			}
diff --git a/server/orchestration.go b/server/orchestration.go
index 019f9e5..2371fde 100644
--- a/server/orchestration.go
+++ b/server/orchestration.go
@@ -240,7 +240,6 @@ func (s *Server) toolSpawnTask() actool.CoreTool {
 			"llm_profile_id":    map[string]any{"type": "integer", "description": "可选：指定本子任务 planner/worker 用的 LLM 配置 id(见 list_llm_profiles)；留空则继承父任务、再回退全局激活配置"},
 			"timeout_seconds":   map[string]any{"type": "integer", "description": "可选：任务级超时(秒)。到点后触发优雅收尾并进入 timeout 终态；留空或 0 = 不限时"},
 			"plan_heartbeat_seconds": map[string]any{"type": "integer", "description": "可选：planner 心跳触发间隔(秒)。距上轮规划结束/任务开始满该值且期间无触发 → 触发一轮规划(兜底死锁 + 唤醒去监督飞行中的 worker)。留空或 0 = 默认 600(10min)；"},
-			"seed_first_intent": map[string]any{"type": "boolean", "description": "可选：默认 true。true=创建即把「描述+目标」作为一条种子意图下发，worker 免等首轮 planner 直接开跑(CTF 等常一个 work 解决的场景推荐)；false=走标准的先规划再执行"},
 		}, "description", "goal"),
 		func(_ context.Context, in json.RawMessage) (actool.Result, error) {
 			var a struct {
@@ -248,7 +247,6 @@ func (s *Server) toolSpawnTask() actool.CoreTool {
 				LLMProfileID                 json.RawMessage `json:"llm_profile_id"`
 				TimeoutSeconds               int             `json:"timeout_seconds"`
 				PlanHeartbeatSeconds         int             `json:"plan_heartbeat_seconds"`
-				SeedFirstIntent              *bool           `json:"seed_first_intent"`
 			}
 			_ = json.Unmarshal(in, &a)
 			if strings.TrimSpace(a.Description) == "" {
@@ -283,8 +281,9 @@ func (s *Server) toolSpawnTask() actool.CoreTool {
 				}
 			}
 			// 共享的建后流程,与 HTTP 建任务(server.go createTask)复用同一段 launchTask:
-			// seed + 种子意图 + 后台可见地做目标分解(第0轮/LLM步骤/逐条goal) + engine.Run。
-			s.launchTask(t, a.Description+" "+a.Goal, a.SeedFirstIntent == nil || *a.SeedFirstIntent)
+			// seed + 后台可见地做目标分解(第0轮/LLM步骤/逐条goal) + engine.Run。
+			// spawn_task 不暴露 seed_first_intent:工具创建的任务一律走标准先规划再执行(false)。
+			s.launchTask(t, a.Description+" "+a.Goal, false)
 			return actool.Text(fmt.Sprintf("task created: %s", t.ID)), nil
 		})
 }
diff --git a/server/server.go b/server/server.go
index 81a5190..439d249 100644
--- a/server/server.go
+++ b/server/server.go
@@ -1018,7 +1018,7 @@ type createTaskReq struct {
 	LLMProfileID    *int64 `json:"llm_profile_id,omitempty"`    // 指定运行本任务的 LLM 配置;省略/null=用激活配置
 	TimeoutSeconds  int    `json:"timeout_seconds"`               // 任务级超时(秒);0/省略=不限时
 	PlanHeartbeatSeconds int `json:"plan_heartbeat_seconds"`     // planner 心跳触发间隔(秒);0/省略=默认600(10min);下限=默认=600,低于自动抬到600
-	SeedFirstIntent *bool  `json:"seed_first_intent,omitempty"` // 创建时直接下发一条种子意图(内容=描述+目标),让 worker 免等首轮 planner 直接开跑;省略/null=默认开启。CTF 常一 work 解决,省掉开跑前的 planner 轮。
+	SeedFirstIntent *bool  `json:"seed_first_intent,omitempty"` // 创建时直接下发一条种子意图(内容=描述+目标),让 worker 免等首轮 planner 直接开跑;省略/null=默认关闭,走标准先规划再执行。显式传 true 才开(CTF 常一 work 解决时可省掉开跑前的 planner 轮)。
 }
 
 func (s *Server) createTask(w http.ResponseWriter, r *http.Request) {
@@ -1049,7 +1049,7 @@ func (s *Server) createTask(w http.ResponseWriter, r *http.Request) {
 	log.Printf("[task] 新建任务 #%s «%s» 目标: %s", t.ID, req.Description, req.Goal)
 	// 共享的建后流程(seed + 种子意图 + 后台目标分解 + engine.Run),与 spawn_task 复用同一段。
 	// launchTask 内部异步,不阻塞 UI —— 目标分解在后台可见地进行。
-	s.launchTask(t, req.Description+" "+req.Goal, req.SeedFirstIntent == nil || *req.SeedFirstIntent)
+	s.launchTask(t, req.Description+" "+req.Goal, req.SeedFirstIntent != nil && *req.SeedFirstIntent)
 	writeJSON(w, 201, t)
 }
 
diff --git a/server/server_mgmt.go b/server/server_mgmt.go
index 254a5eb..04ece0a 100644
--- a/server/server_mgmt.go
+++ b/server/server_mgmt.go
@@ -1749,6 +1749,7 @@ func (s *Server) pgListModels(w http.ResponseWriter, r *http.Request) {
 // {{.Now}} — e.g. subtract it from a fixed start stamp to reason about elapsed time.
 var globalPromptVars = []db.PromptVar{
 	{Name: "Now", Description: "服务端当前时间（每次运行实时刷新；可与固定起始时间相减判断已用时长）", Example: "2026-08-11 14:30:00 CST", Source: "runtime"},
+	{Name: "DataDir", Description: "服务端数据根目录（所有任务/会话产物的根；各 agent 实际写盘在其下的子目录，如 <DataDir>/<taskID>）", Example: "/app/data", Source: "runtime"},
 }
 
 // withGlobalVars appends the universal runtime vars onto an agent's own catalog,
diff --git a/web/src/app/(main)/function/tasks/page.tsx b/web/src/app/(main)/function/tasks/page.tsx
index a5cd170..6a2ddc8 100644
--- a/web/src/app/(main)/function/tasks/page.tsx
+++ b/web/src/app/(main)/function/tasks/page.tsx
@@ -112,7 +112,7 @@ export default function TasksPage() {
   const [llmProfile, setLlmProfile] = React.useState<string>(ACTIVE_PROFILE); // sentinel = active
   const [timeoutMin, setTimeoutMin] = React.useState(""); // 任务级超时(分钟);空/0 = 不限时
   const [heartbeatMin, setHeartbeatMin] = React.useState("10"); // planner 心跳(分钟);默认10,下限10(与后端一致)
-  const [seedFirstIntent, setSeedFirstIntent] = React.useState(true); // 创建时下发种子意图,worker 免等首轮 planner 直接开跑
+  const [seedFirstIntent, setSeedFirstIntent] = React.useState(false); // 创建时下发种子意图,worker 免等首轮 planner 直接开跑;默认关闭,走标准先规划再执行
   const [open, setOpen] = React.useState(false);
   const [query, setQuery] = React.useState("");
   const [statusFilter, setStatusFilter] = React.useState<TaskStatus | "all">("all");
@@ -182,7 +182,7 @@ export default function TasksPage() {
       setLlmProfile(ACTIVE_PROFILE);
       setTimeoutMin("");
       setHeartbeatMin("10");
-      setSeedFirstIntent(true);
+      setSeedFirstIntent(false);
       setOpen(false);
       load();
     } catch (e) {
diff --git a/web/src/components/agent-editor.tsx b/web/src/components/agent-editor.tsx
index 54126b6..a678fda 100644
--- a/web/src/components/agent-editor.tsx
+++ b/web/src/components/agent-editor.tsx
@@ -734,11 +734,11 @@ function AgentTriggersTab({ agentKey, agent }: { agentKey: string; agent?: Agent
   const [tools, setTools] = React.useState<Tool[]>([]);
   // 触发后处理策略(每 agent);初值来自 agent detail,改动即保存。
   const [runMode, setRunMode] = React.useState<"serial" | "parallel">(agent?.trigger_run_mode ?? "serial");
-  const [mergeMode, setMergeMode] = React.useState<"by_task" | "all" | "none">(agent?.trigger_merge_mode ?? "by_task");
+  const [mergeMode, setMergeMode] = React.useState<"by_task" | "all" | "none">(agent?.trigger_merge_mode ?? "all");
   const [maxParallel, setMaxParallel] = React.useState(String(agent?.trigger_max_parallel ?? 5));
   React.useEffect(() => {
     setRunMode(agent?.trigger_run_mode ?? "serial");
-    setMergeMode(agent?.trigger_merge_mode ?? "by_task");
+    setMergeMode(agent?.trigger_merge_mode ?? "all");
     setMaxParallel(String(agent?.trigger_max_parallel ?? 5));
   }, [agent?.trigger_run_mode, agent?.trigger_merge_mode, agent?.trigger_max_parallel]);
 
diff --git a/web/src/lib/api.ts b/web/src/lib/api.ts
index 48567d2..664bcb1 100644
--- a/web/src/lib/api.ts
+++ b/web/src/lib/api.ts
@@ -115,7 +115,7 @@ export const api = {
       goal,
       llm_profile_id: llmProfileId ?? null,
       timeout_seconds: timeoutSeconds ?? 0,
-      seed_first_intent: seedFirstIntent ?? true,
+      seed_first_intent: seedFirstIntent ?? false,
       plan_heartbeat_seconds: planHeartbeatSeconds ?? 0, // 0 = 后端归一到默认 600(10min)
     }),
   deleteTask: (id: string) => del<{ deleted: number }>(`/tasks/${id}`),