dynamic iterations

chat.go

@@ -42,6 +42,7 @@ type Request struct {
 	Prompt      string    `json:"prompt"`
 	Model       string    `json:"model"`
 	Temperature float64   `json:"temperature"`
+	Iterations  int64     `json:"iterations"`
 	JSON        bool      `json:"json"`
 	Search      bool      `json:"search"`
 	Reasoning   Reasoning `json:"reasoning"`
@@ -92,6 +93,10 @@ func (r *Request) Parse() (*openrouter.ChatCompletionRequest, error) {
 
 	request.Model = r.Model
 
+	if r.Iterations < 1 || r.Iterations > 50 {
+		return nil, fmt.Errorf("invalid iterations (1-50): %d", r.Iterations)
+	}
+
 	if r.Temperature < 0 || r.Temperature > 2 {
 		return nil, fmt.Errorf("invalid temperature (0-2): %f", r.Temperature)
 	}
@@ -253,10 +258,10 @@ func HandleChat(w http.ResponseWriter, r *http.Request) {
 
 	ctx := r.Context()
 
-	for iteration := range env.Settings.MaxIterations {
-		debug("iteration %d of %d", iteration+1, env.Settings.MaxIterations)
+	for iteration := range raw.Iterations {
+		debug("iteration %d of %d", iteration+1, raw.Iterations)
 
-		if iteration == env.Settings.MaxIterations-1 {
+		if iteration == raw.Iterations-1 {
 			debug("no more tool calls")
 
 			request.Tools = nil

env.go

@@ -18,8 +18,7 @@ type EnvTokens struct {
 }
 
 type EnvSettings struct {
-	CleanContent  bool `json:"cleanup"`
-	MaxIterations uint `json:"iterations"`
+	CleanContent bool `json:"cleanup"`
 }
 
 type EnvUser struct {
@@ -44,8 +43,7 @@ type Environment struct {
 var env = Environment{
 	// defaults
 	Settings: EnvSettings{
-		CleanContent:  true,
-		MaxIterations: 3,
+		CleanContent: true,
 	},
 }
 
@@ -67,9 +65,6 @@ func (e *Environment) Init() error {
 		log.Warning("Debug mode enabled")
 	}
 
-	// check max iterations
-	e.Settings.MaxIterations = max(e.Settings.MaxIterations, 1)
-
 	// check if server secret is set
 	if e.Tokens.Secret == "" {
 		log.Warning("Missing tokens.secret, generating new...")
@@ -125,8 +120,7 @@ func (e *Environment) Store() error {
 			"$.tokens.openrouter": {yaml.HeadComment(" openrouter.ai api token (required)")},
 			"$.tokens.exa":        {yaml.HeadComment(" exa search api token (optional; used by search tools)")},
 
-			"$.settings.cleanup":    {yaml.HeadComment(" normalize unicode in assistant output (optional; default: true)")},
-			"$.settings.iterations": {yaml.HeadComment(" max model turns per request (optional; default: 3)")},
+			"$.settings.cleanup": {yaml.HeadComment(" normalize unicode in assistant output (optional; default: true)")},
 
 			"$.authentication.enabled": {yaml.HeadComment(" require login with username and password")},
 			"$.authentication.users":   {yaml.HeadComment(" list of users with bcrypt password hashes")},

example.config.yml

@@ -12,8 +12,6 @@ tokens:
 settings:
   # normalize unicode in assistant output (optional; default: true)
   cleanup: true
-  # max model turns per request (optional; default: 3)
-  iterations: 3
 
 authentication:
   # require login with username and password

main.go

@@ -64,8 +64,10 @@ func cache(next http.Handler) http.Handler {
 		path := strings.ToLower(r.URL.Path)
 		ext := filepath.Ext(path)
 
-		if ext == ".svg" || ext == ".ttf" || strings.HasSuffix(path, ".min.js") || strings.HasSuffix(path, ".min.css") {
+		if ext == ".png" || ext == ".svg" || ext == ".ttf" || strings.HasSuffix(path, ".min.js") || strings.HasSuffix(path, ".min.css") {
 			w.Header().Set("Cache-Control", "public, max-age=3024000, immutable")
+		} else if env.Debug {
+			w.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate")
 		}
 
 		next.ServeHTTP(w, r)

static/css/chat.css

@@ -532,7 +532,7 @@ body:not(.loading) #loading {
 }
 
 .statistics .ttft::before {
-	background-image: url(icons/ttft.svg);
+	background-image: url(icons/time.svg);
 }
 
 .statistics .tps::before {
@@ -789,13 +789,18 @@ input.invalid {
 }
 
 #reasoning-tokens,
-#temperature {
+#temperature,
+#iterations {
 	appearance: textfield;
 	width: 48px;
 	padding: 2px 4px;
 	text-align: right;
 }
 
+#iterations {
+	width: 30px;
+}
+
 label[for="role"] {
 	background-image: url(icons/user.svg);
 }
@@ -812,6 +817,10 @@ label[for="temperature"] {
 	background-image: url(icons/temperature.svg);
 }
 
+label[for="iterations"] {
+	background-image: url(icons/time.svg);
+}
+
 label[for="reasoning-effort"] {
 	background-image: url(icons/reasoning.svg);
 }

static/index.html

@@ -58,6 +58,10 @@
 						<label for="temperature" title="Temperature (0 - 2)"></label>
 						<input id="temperature" type="number" min="0" max="2" step="0.05" value="0.85" />
 					</div>
+					<div class="option">
+						<label for="iterations" title="Maximum number of iterations (turns) per response"></label>
+						<input id="iterations" type="number" min="1" max="50" value="3" />
+					</div>
 					<div class="option none">
 						<label for="reasoning-effort" title="Reasoning Effort"></label>
 						<select id="reasoning-effort">
@@ -69,7 +73,7 @@
 					</div>
 					<div class="option none">
 						<label for="reasoning-tokens" title="Maximum amount of reasoning tokens"></label>
-						<input id="reasoning-tokens" type="number" min="2" max="1" step="0.05" value="0.85" />
+						<input id="reasoning-tokens" type="number" min="2" max="1048576" value="1024" />
 					</div>
 					<div class="option group none">
 						<button id="json" title="Turn on structured json output"></button>

static/js/chat.js

@@ -9,6 +9,7 @@
 		$model = document.getElementById("model"),
 		$prompt = document.getElementById("prompt"),
 		$temperature = document.getElementById("temperature"),
+		$iterations = document.getElementById("iterations"),
 		$reasoningEffort = document.getElementById("reasoning-effort"),
 		$reasoningTokens = document.getElementById("reasoning-tokens"),
 		$json = document.getElementById("json"),
@@ -816,20 +817,32 @@
 		}
 
 		if (!$temperature.value) {
-			$temperature.value = 0.85;
 		}
 
-		const temperature = parseFloat($temperature.value);
+		let temperature = parseFloat($temperature.value);
 
 		if (Number.isNaN(temperature) || temperature < 0 || temperature > 2) {
-			return;
+			temperature = 0.85;
+
+			$temperature.value = temperature;
 		}
 
-		const effort = $reasoningEffort.value,
-			tokens = parseInt($reasoningTokens.value);
+		let iterations = parseInt($iterations.value);
+
+		if (Number.isNaN(iterations) || iterations < 1 || iterations > 50) {
+			iterations = 3;
+
+			$iterations.value = iterations;
+		}
+
+		const effort = $reasoningEffort.value;
+
+		let tokens = parseInt($reasoningTokens.value);
 
 		if (!effort && (Number.isNaN(tokens) || tokens <= 0 || tokens > 1024 * 1024)) {
-			return;
+			tokens = 1024;
+
+			$reasoningTokens.value = tokens;
 		}
 
 		pushMessage();
@@ -842,6 +855,7 @@
 			prompt: $prompt.value,
 			model: $model.value,
 			temperature: temperature,
+			iterations: iterations,
 			reasoning: {
 				effort: effort,
 				tokens: tokens || 0,