Update DeepSeek Patrol defaults

docs/release-control/v6/internal/subsystems/ai-runtime.md

@@ -470,7 +470,12 @@ provider catalog, or a provider returns no usable models, the effective BYOK
 selection may fall back only to the provider-owned default declared in
 `internal/config/ai.go`. Runtime startup, connection-test, and load-config
 paths may not return an empty effective model or borrow another provider's
-selection just because live model discovery was unavailable.
+selection just because live model discovery was unavailable. DeepSeek's
+provider-owned fallback must track the current V4 API contract and use
+`deepseek-v4-flash` rather than retired compatibility aliases such as
+`deepseek-chat` or `deepseek-reasoner`; AI runtime context-window and cost
+budgeting must likewise know the V4 Flash/Pro 1M context and distinct pricing
+classes before Patrol treats those models as ready.
 Retired quickstart ownership is now an inert compatibility boundary, not a
 self-hosted GA runtime path. The old quickstart provider, bootstrap manager,
 and local token-cache persistence API are removed from the Pulse runtime;

internal/ai/cost/pricing.go

@@ -29,7 +29,7 @@ type modelPrice struct {
 	OutputUSDPerMTok float64
 }
 
-const pricingAsOf = "2025-12"
+const pricingAsOf = "2026-04"
 
 // PricingAsOf indicates the effective date of the pricing table used for estimation.
 func PricingAsOf() string {
@@ -49,8 +49,10 @@ var providerPrices = map[string][]modelPrice{
 		{Pattern: "claude-haiku*", InputUSDPerMTok: 0.25, OutputUSDPerMTok: 1.25},
 	},
 	"deepseek": {
-		// DeepSeek docs include an "input cache hit" discount; this uses cache-miss rates for conservative estimates.
-		{Pattern: "deepseek-*", InputUSDPerMTok: 0.28, OutputUSDPerMTok: 0.42},
+		// DeepSeek docs include an input cache-hit discount; this uses cache-miss rates for conservative estimates.
+		{Pattern: "deepseek-v4-flash*", InputUSDPerMTok: 0.14, OutputUSDPerMTok: 0.28},
+		{Pattern: "deepseek-v4-pro*", InputUSDPerMTok: 0.435, OutputUSDPerMTok: 0.87},
+		{Pattern: "deepseek-*", InputUSDPerMTok: 0.14, OutputUSDPerMTok: 0.28},
 	},
 	"gemini": {
 		// Gemini pricing (as of December 2025)

internal/ai/cost/store_extended_test.go

@@ -183,6 +183,8 @@ func TestEstimateUSD_DeepSeekModels(t *testing.T) {
 		{"deepseek-chat", true},
 		{"deepseek-coder", true},
 		{"deepseek-reasoner", true},
+		{"deepseek-v4-flash", true},
+		{"deepseek-v4-pro", true},
 		{"unknown-deepseek", false},
 	}
 

internal/ai/cost/store_test.go

@@ -193,7 +193,16 @@ func TestEstimateUSDKnownAndUnknownModels(t *testing.T) {
 	if !ok {
 		t.Fatalf("expected deepseek pricing to be known for deepseek-reasoner")
 	}
-	expected = 0.70 // 1M input * $0.28 + 1M output * $0.42
+	expected = 0.42 // 1M input * $0.14 + 1M output * $0.28
+	if math.Abs(usd-expected) > 0.0001 {
+		t.Fatalf("expected usd %.4f, got %.4f", expected, usd)
+	}
+
+	usd, ok, _ = EstimateUSD("deepseek", "deepseek-v4-pro", 1_000_000, 1_000_000)
+	if !ok {
+		t.Fatalf("expected deepseek pricing to be known for deepseek-v4-pro")
+	}
+	expected = 1.305 // 1M input * $0.435 + 1M output * $0.87
 	if math.Abs(usd-expected) > 0.0001 {
 		t.Fatalf("expected usd %.4f, got %.4f", expected, usd)
 	}

internal/ai/patrol_readiness_test.go

@@ -81,6 +81,16 @@ func TestEvaluatePatrolConfigReadiness_AssignsStableCause(t *testing.T) {
 				cfg.PatrolModel = "deepseek:deepseek-v4-flash"
 			},
 		},
+		{
+			name:      "deepseek v4 pro ready",
+			wantCause: PatrolFailureCauseNone,
+			wantReady: true,
+			configure: func(cfg *config.AIConfig) {
+				cfg.Enabled = true
+				cfg.DeepSeekAPIKey = "sk-test"
+				cfg.PatrolModel = "deepseek:deepseek-v4-pro"
+			},
+		},
 		{
 			name:      "ready",
 			wantCause: PatrolFailureCauseNone,

internal/ai/providers/context_limits.go

@@ -35,8 +35,10 @@ var modelContextWindows = map[string]int{
 	"gemini-1.5-flash": 1_048_576,
 
 	// DeepSeek
-	"deepseek-chat":     128_000,
-	"deepseek-reasoner": 128_000,
+	"deepseek-v4-flash": 1_000_000,
+	"deepseek-v4-pro":   1_000_000,
+	"deepseek-chat":     1_000_000,
+	"deepseek-reasoner": 1_000_000,
 
 	// MiniMax
 	"MiniMax-Text-01": 1_000_000,

internal/ai/providers/context_limits_test.go

@@ -10,6 +10,9 @@ func TestContextWindowTokens_ExactMatch(t *testing.T) {
 		{model: "claude-opus-4", want: 200_000},
 		{model: "gpt-4", want: 8_192},
 		{model: "gemini-1.5-pro", want: 2_097_152},
+		{model: "deepseek-v4-flash", want: 1_000_000},
+		{model: "deepseek-v4-pro", want: 1_000_000},
+		{model: "deepseek-chat", want: 1_000_000},
 	}
 
 	for _, tc := range testCases {

internal/config/ai.go

@@ -353,7 +353,7 @@ func DefaultModelForProvider(provider string) string {
 	case AIProviderOpenRouter:
 		return FormatModelString(AIProviderOpenRouter, "openai/gpt-4o-mini")
 	case AIProviderDeepSeek:
-		return FormatModelString(AIProviderDeepSeek, "deepseek-chat")
+		return FormatModelString(AIProviderDeepSeek, "deepseek-v4-flash")
 	case AIProviderGemini:
 		return FormatModelString(AIProviderGemini, "gemini-1.5-pro")
 	case AIProviderOllama:

internal/config/ai_additional_test.go

@@ -162,7 +162,7 @@ func TestDefaultModelForProvider(t *testing.T) {
 		{
 			name:     "deepseek",
 			provider: AIProviderDeepSeek,
-			want:     FormatModelString(AIProviderDeepSeek, "deepseek-chat"),
+			want:     FormatModelString(AIProviderDeepSeek, "deepseek-v4-flash"),
 		},
 		{
 			name:     "gemini",

internal/config/ai_config_test.go

@@ -234,7 +234,7 @@ func TestDefaultModelForProvider_UsesCanonicalProviderFallbacks(t *testing.T) {
 		{provider: AIProviderAnthropic, expected: "anthropic:claude-3-5-sonnet-latest"},
 		{provider: AIProviderOpenAI, expected: "openai:gpt-4o"},
 		{provider: AIProviderOpenRouter, expected: "openrouter:openai/gpt-4o-mini"},
-		{provider: AIProviderDeepSeek, expected: "deepseek:deepseek-chat"},
+		{provider: AIProviderDeepSeek, expected: "deepseek:deepseek-v4-flash"},
 		{provider: AIProviderGemini, expected: "gemini:gemini-1.5-pro"},
 		{provider: AIProviderOllama, expected: "ollama:llama3.2"},
 		{provider: AIProviderQuickstart, expected: ""},