26974cc fix(subagents): expose reasoning as the spawn override · zut

M docs/subagents.md +2 -2


@@ -44,7 +44,7 @@ Supported metadata:
44	44		\| `tools` \| Comma-separated or list-form tool names. zut enforces its built-in `read`, `write`, `edit`, `bash`, `create_worktree`, `lsp`, and `web_search` registry; the conditional `skill` tool is available when skills are enabled. Unknown names do not grant capabilities. \|
45	45		\| `model` \| Optional model ID. A qualified value such as `openai-codex/gpt-5.6-luna` selects both provider and model. \|
46	46		\| `provider` \| Optional separate provider ID for a model without a provider prefix. \|
47		-	\| `thinking` / `reasoning` \| Optional reasoning level: `off`, `minimum`, `low`, `medium`, `high`, `xhigh`, or `max`. \|
	47	+	\| `thinking` \| Optional reasoning level: `off`, `minimum`, `low`, `medium`, `high`, `xhigh`, or `max`. This is applied as the child's `reasoning` setting. \|
48	48		\| `systemPromptMode` \| `append` (default) or `replace`. \|
49	49		\| `inheritProjectContext` \| Set to `false` to omit `AGENTS.md` context from the child. \|
50	50		\| `inheritSkills` \| Set to `false` to omit skill discovery and the conditional `skill` loader from the child; `--no-skill` has the same effect for a run. \|

@@ -122,7 +122,7 @@ Per-spawn reasoning and fast-mode overrides are also accepted:
122	122		}
123	123		```
124	124
125		-	`thinking` is accepted as an alias for `reasoning`. If neither is supplied, the child inherits the host reasoning level for an unnamed spawn, or the profile's `thinking` value for a named spawn. An explicit `fast_mode` value takes precedence over the selected profile and host setting; omit it to inherit them.
	125	+	If `reasoning` is omitted from `subagent_spawn`, the child inherits the host reasoning level for an unnamed spawn, or the selected profile's `thinking` value for a named spawn. An explicit `fast_mode` value takes precedence over the selected profile and host setting; omit it to inherit them.
126	126
127	127		The interactive command also supports the same selection explicitly:
128	128


@@ -44,7 +44,7 @@ Supported metadata:
44		\| `tools` \| Comma-separated or list-form tool names. zut enforces its built-in `read`, `write`, `edit`, `bash`, `create_worktree`, `lsp`, and `web_search` registry; the conditional `skill` tool is available when skills are enabled. Unknown names do not grant capabilities. \|	44		\| `tools` \| Comma-separated or list-form tool names. zut enforces its built-in `read`, `write`, `edit`, `bash`, `create_worktree`, `lsp`, and `web_search` registry; the conditional `skill` tool is available when skills are enabled. Unknown names do not grant capabilities. \|
45		\| `model` \| Optional model ID. A qualified value such as `openai-codex/gpt-5.6-luna` selects both provider and model. \|	45		\| `model` \| Optional model ID. A qualified value such as `openai-codex/gpt-5.6-luna` selects both provider and model. \|
46		\| `provider` \| Optional separate provider ID for a model without a provider prefix. \|	46		\| `provider` \| Optional separate provider ID for a model without a provider prefix. \|
47	-	\| `thinking` / `reasoning` \| Optional reasoning level: `off`, `minimum`, `low`, `medium`, `high`, `xhigh`, or `max`. \|	47	+	\| `thinking` \| Optional reasoning level: `off`, `minimum`, `low`, `medium`, `high`, `xhigh`, or `max`. This is applied as the child's `reasoning` setting. \|
48		\| `systemPromptMode` \| `append` (default) or `replace`. \|	48		\| `systemPromptMode` \| `append` (default) or `replace`. \|
49		\| `inheritProjectContext` \| Set to `false` to omit `AGENTS.md` context from the child. \|	49		\| `inheritProjectContext` \| Set to `false` to omit `AGENTS.md` context from the child. \|
50		\| `inheritSkills` \| Set to `false` to omit skill discovery and the conditional `skill` loader from the child; `--no-skill` has the same effect for a run. \|	50		\| `inheritSkills` \| Set to `false` to omit skill discovery and the conditional `skill` loader from the child; `--no-skill` has the same effect for a run. \|

@@ -122,7 +122,7 @@ Per-spawn reasoning and fast-mode overrides are also accepted:
122		}	122		}
123		```	123		```
124			124
125	-	`thinking` is accepted as an alias for `reasoning`. If neither is supplied, the child inherits the host reasoning level for an unnamed spawn, or the profile's `thinking` value for a named spawn. An explicit `fast_mode` value takes precedence over the selected profile and host setting; omit it to inherit them.	125	+	If `reasoning` is omitted from `subagent_spawn`, the child inherits the host reasoning level for an unnamed spawn, or the selected profile's `thinking` value for a named spawn. An explicit `fast_mode` value takes precedence over the selected profile and host setting; omit it to inherit them.
126			126
127		The interactive command also supports the same selection explicitly:	127		The interactive command also supports the same selection explicitly:
128			128

M packages/agent/tools/subagent_spawn.go +6 -20


@@ -59,7 +59,6 @@ type subagentSpawnArgs struct {
59	59		Model string `json:"model,omitempty"`
60	60		Provider string `json:"provider,omitempty"`
61	61		Reasoning string `json:"reasoning,omitempty"`
62		-	Thinking string `json:"thinking,omitempty"`
63	62		FastMode *bool `json:"fast_mode,omitempty"`
64	63		Required bool `json:"required,omitempty"`
65	64		Isolation string `json:"isolation,omitempty"`

@@ -89,12 +88,7 @@ const subagentSpawnSchemaTemplate = `{
89	88		"reasoning": {
90	89		"type": "string",
91	90		"enum": ["off", "minimum", "low", "medium", "high", "xhigh", "max"],
92		-	"description": "Optional reasoning/thinking level for the child. Overrides the selected profile's thinking level when provided."
93		-	},
94		-	"thinking": {
95		-	"type": "string",
96		-	"enum": ["off", "minimum", "low", "medium", "high", "xhigh", "max"],
97		-	"description": "Alias for reasoning, accepted for compatibility with common agent profile terminology. Prefer reasoning when both are available."
	91	+	"description": "Optional reasoning level for the child. Overrides the selected profile's thinking level when provided."
98	92		},
99	93		"fast_mode": {
100	94		"type": "boolean",

@@ -231,18 +225,18 @@ func (t *SubagentSpawnTool) Execute(ctx context.Context, raw json.RawMessage, _
231	225		providerID = strings.TrimSpace(t.DefaultProvider())
232	226		}
233	227
234		-	reasoning, err := reasoningOverride(a.Reasoning, a.Thinking)
	228	+	reasoning, err := normalizeReasoning(a.Reasoning)
235	229		if err != nil {
236	230		return protocolToolError(prefix + ": " + err.Error())
237	231		}
238	232		if reasoning == "" && profile != nil && strings.TrimSpace(profile.Thinking) != "" {
239		-	reasoning, err = reasoningOverride(profile.Thinking, "")
	233	+	reasoning, err = normalizeReasoning(profile.Thinking)
240	234		if err != nil {
241	235		return protocolToolError(prefix + ": profile " + profile.Name + ": " + err.Error())
242	236		}
243	237		}
244	238		if reasoning == "" && t.DefaultReasoning != nil {
245		-	reasoning, err = reasoningOverride(t.DefaultReasoning(), "")
	239	+	reasoning, err = normalizeReasoning(t.DefaultReasoning())
246	240		if err != nil {
247	241		return protocolToolError(prefix + ": host " + err.Error())
248	242		}

@@ -326,16 +320,8 @@ func (t *SubagentSpawnTool) Execute(ctx context.Context, raw json.RawMessage, _
326	320		}, nil
327	321		}
328	322
329		-	func reasoningOverride(reasoning, thinking string) (string, error) {
330		-	reasoning = strings.TrimSpace(reasoning)
331		-	thinking = strings.TrimSpace(thinking)
332		-	if reasoning != "" && thinking != "" && provider.NormalizeReasoning(reasoning) != provider.NormalizeReasoning(thinking) {
333		-	return "", fmt.Errorf("reasoning and thinking disagree; provide only one")
334		-	}
335		-	value := reasoning
336		-	if value == "" {
337		-	value = thinking
338		-	}
	323	+	func normalizeReasoning(value string) (string, error) {
	324	+	value = strings.TrimSpace(value)
339	325		if value == "" {
340	326		return "", nil
341	327		}

 	Model     string `json:"model,omitempty"`
 	Provider  string `json:"provider,omitempty"`
 	Reasoning string `json:"reasoning,omitempty"`
-	Thinking  string `json:"thinking,omitempty"`
 	FastMode  *bool  `json:"fast_mode,omitempty"`
 	Required  bool   `json:"required,omitempty"`
 	Isolation string `json:"isolation,omitempty"`
     "reasoning": {
       "type": "string",
       "enum": ["off", "minimum", "low", "medium", "high", "xhigh", "max"],
-      "description": "Optional reasoning/thinking level for the child. Overrides the selected profile's thinking level when provided."
+      "description": "Optional reasoning level for the child. Overrides the selected profile's thinking level when provided."
-    },
-    "thinking": {
-      "type": "string",
-      "enum": ["off", "minimum", "low", "medium", "high", "xhigh", "max"],
-      "description": "Alias for reasoning, accepted for compatibility with common agent profile terminology. Prefer reasoning when both are available."
     },
     "fast_mode": {
       "type": "boolean",
 		providerID = strings.TrimSpace(t.DefaultProvider())
 	}
-	reasoning, err := reasoningOverride(a.Reasoning, a.Thinking)
+	reasoning, err := normalizeReasoning(a.Reasoning)
 	if err != nil {
 		return protocolToolError(prefix + ": " + err.Error())
 	}
 	if reasoning == "" && profile != nil && strings.TrimSpace(profile.Thinking) != "" {
-		reasoning, err = reasoningOverride(profile.Thinking, "")
+		reasoning, err = normalizeReasoning(profile.Thinking)
 		if err != nil {
 			return protocolToolError(prefix + ": profile " + profile.Name + ": " + err.Error())
 		}
 	}
 	if reasoning == "" && t.DefaultReasoning != nil {
-		reasoning, err = reasoningOverride(t.DefaultReasoning(), "")
+		reasoning, err = normalizeReasoning(t.DefaultReasoning())
 		if err != nil {
 			return protocolToolError(prefix + ": host " + err.Error())
 		}
 	}, nil
 }
-func reasoningOverride(reasoning, thinking string) (string, error) {
+func normalizeReasoning(value string) (string, error) {
-	reasoning = strings.TrimSpace(reasoning)
+	value = strings.TrimSpace(value)
-	thinking = strings.TrimSpace(thinking)
-	if reasoning != "" && thinking != "" && provider.NormalizeReasoning(reasoning) != provider.NormalizeReasoning(thinking) {
-		return "", fmt.Errorf("reasoning and thinking disagree; provide only one")
-	}
-	value := reasoning
-	if value == "" {
-		value = thinking
-	}
 	if value == "" {
 		return "", nil
 	}

M packages/agent/tools/subagent_spawn_test.go +7 -1


@@ -350,7 +350,7 @@ func TestSubagentSpawnAppliesProfileFastModeRestriction(t *testing.T) {
350	350		}
351	351		}
352	352
353		-	func TestSubagentSpawnSchemaAdvertisesFastModeOverride(t *testing.T) {
	353	+	func TestSubagentSpawnSchemaUsesReasoningAndKeepsProfileThinkingInternal(t *testing.T) {
354	354		var schema struct {
355	355		Properties map[string]struct {
356	356		Type string `json:"type"`

@@ -360,6 +360,12 @@ func TestSubagentSpawnSchemaAdvertisesFastModeOverride(t *testing.T) {
360	360		if err := json.Unmarshal((&SubagentSpawnTool{}).Schema(), &schema); err != nil {
361	361		t.Fatal(err)
362	362		}
	363	+	if _, ok := schema.Properties["reasoning"]; !ok {
	364	+	t.Fatal("subagent_spawn schema does not advertise reasoning")
	365	+	}
	366	+	if _, ok := schema.Properties["thinking"]; ok {
	367	+	t.Fatal("subagent_spawn schema exposes profile-only thinking")
	368	+	}
363	369		fastMode, ok := schema.Properties["fast_mode"]
364	370		if !ok {
365	371		t.Fatal("subagent_spawn schema does not advertise fast_mode")

 	}
 }
-func TestSubagentSpawnSchemaAdvertisesFastModeOverride(t *testing.T) {
+func TestSubagentSpawnSchemaUsesReasoningAndKeepsProfileThinkingInternal(t *testing.T) {
 	var schema struct {
 		Properties map[string]struct {
 			Type        string `json:"type"`
 	if err := json.Unmarshal((&SubagentSpawnTool{}).Schema(), &schema); err != nil {
 		t.Fatal(err)
 	}
+	if _, ok := schema.Properties["reasoning"]; !ok {
+		t.Fatal("subagent_spawn schema does not advertise reasoning")
+	}
+	if _, ok := schema.Properties["thinking"]; ok {
+		t.Fatal("subagent_spawn schema exposes profile-only thinking")
+	}
 	fastMode, ok := schema.Properties["fast_mode"]
 	if !ok {
 		t.Fatal("subagent_spawn schema does not advertise fast_mode")