fix(workflow): accept non-string widget values and support GlobalSeed node in gen-params (#1026)

py/routes/handlers/misc_handlers.py

@@ -3471,7 +3471,7 @@ class NodeRegistryHandler:
                     status=400,
                 )
 
-            if not isinstance(value, str) or not value:
+            if value is None or (isinstance(value, str) and not value):
                 return web.json_response(
                     {"success": False, "error": "Missing value parameter"}, status=400
                 )
@@ -3578,7 +3578,7 @@ class NodeRegistryHandler:
                     status=400,
                 )
 
-            if not isinstance(value, str) or not value:
+            if value is None or (isinstance(value, str) and not value):
                 return web.json_response(
                     {"success": False, "error": "Missing value parameter"}, status=400
                 )

static/js/utils/genParamsMapper.js

@@ -141,6 +141,20 @@ const PARAM_TO_WIDGET_CANDIDATES = {
     scheduler: ['scheduler'],
 };
 
+// ---------------------------------------------------------------------------
+// Node-type-specific widget name overrides.
+// Keys are ComfyUI node class names (e.g. "GlobalSeed //Inspire").
+// Values are partial PARAM_TO_WIDGET_CANDIDATES maps; the per-node candidates
+// are tried *before* the global ones.  Only the params listed here are
+// overridden — every other param still uses the global candidates.
+// ---------------------------------------------------------------------------
+const NODE_TYPE_WIDGET_OVERRIDES = {
+    // Inspire Pack — Global Seed node stores the seed in a widget named "value"
+    'GlobalSeed //Inspire': {
+        seed: ['value'],
+    },
+};
+
 // ---------------------------------------------------------------------------
 // Parse a combined sampler+scheduler value (space-separated or underscore)
 // e.g., "Euler a Karras", "DPM++ 2M beta", "er_sde_beta"
@@ -235,7 +249,7 @@ function resolveSamplerScheduler(rawValue) {
 // Find which gen params can be sent to a given node, matching by widget names
 // Returns array of { widgetName, value } objects
 // ---------------------------------------------------------------------------
-function findMatchingWidgets(nodeWidgetNames, resolvedParams) {
+function findMatchingWidgets(nodeWidgetNames, resolvedParams, nodeType) {
     if (!nodeWidgetNames || !Array.isArray(nodeWidgetNames) || nodeWidgetNames.length === 0) {
         return [];
     }
@@ -243,6 +257,26 @@ function findMatchingWidgets(nodeWidgetNames, resolvedParams) {
     const widgetSet = new Set(nodeWidgetNames.map(w => String(w).toLowerCase()));
     const updates = [];
 
+    // Resolve node-type-specific overrides (if any)
+    const typeOverrides =
+        nodeType && typeof nodeType === 'string'
+            ? (NODE_TYPE_WIDGET_OVERRIDES[nodeType] || {})
+            : {};
+
+    /**
+     * Build the effective candidate list for a parameter:
+     * type-specific overrides (if any) come first, then the global candidates.
+     */
+    function getCandidates(key) {
+        const global = PARAM_TO_WIDGET_CANDIDATES[key] || [key];
+        const extra = typeOverrides[key];
+        if (extra && Array.isArray(extra) && extra.length > 0) {
+            // Prepend type-specific candidates; keep global as fallback
+            return [...extra, ...global];
+        }
+        return global;
+    }
+
     // Simple numeric/string params: seed, steps, cfg
     const simpleParams = [
         { key: 'seed', value: resolvedParams.seed },
@@ -251,7 +285,7 @@ function findMatchingWidgets(nodeWidgetNames, resolvedParams) {
     ];
     for (const { key, value } of simpleParams) {
         if (value === undefined || value === null || value === '') continue;
-        const candidates = PARAM_TO_WIDGET_CANDIDATES[key] || [key];
+        const candidates = getCandidates(key);
         for (const candidate of candidates) {
             if (widgetSet.has(candidate.toLowerCase())) {
                 updates.push({ widgetName: candidate, value });
@@ -262,7 +296,7 @@ function findMatchingWidgets(nodeWidgetNames, resolvedParams) {
 
     // Sampler
     if (resolvedParams.sampler) {
-        const candidates = PARAM_TO_WIDGET_CANDIDATES.sampler;
+        const candidates = getCandidates('sampler');
         for (const candidate of candidates) {
             if (widgetSet.has(candidate.toLowerCase())) {
                 updates.push({ widgetName: candidate, value: resolvedParams.sampler });
@@ -273,7 +307,7 @@ function findMatchingWidgets(nodeWidgetNames, resolvedParams) {
 
     // Scheduler
     if (resolvedParams.scheduler) {
-        const candidates = PARAM_TO_WIDGET_CANDIDATES.scheduler;
+        const candidates = getCandidates('scheduler');
         for (const candidate of candidates) {
             if (widgetSet.has(candidate.toLowerCase())) {
                 updates.push({ widgetName: candidate, value: resolvedParams.scheduler });
@@ -290,6 +324,7 @@ export {
     SCHEDULER_SUFFIXES,
     SCHEDULER_ONLY_VALUES,
     PARAM_TO_WIDGET_CANDIDATES,
+    NODE_TYPE_WIDGET_OVERRIDES,
     parseCombinedSamplerName,
     resolveSamplerScheduler,
     findMatchingWidgets,

static/js/utils/uiHelpers.js

@@ -1144,8 +1144,8 @@ export async function sendGenParamsToWorkflow(genParams) {
       const node = targetNodes[nodeKey];
       if (!node) continue;
 
-      const widgetNames = node.widget_names || [];
+      const widgetNames = getWidgetNames(node);
-      const updates = findMatchingWidgets(widgetNames, raw);
+      const updates = findMatchingWidgets(widgetNames, raw, node.type_name);
 
       if (updates.length === 0) {
         showToast(`Node "${node.title || node.type}" has no matching widgets for these parameters`, {}, 'warning');

tests/frontend/utils/genParamsMapper.test.js

@@ -9,6 +9,7 @@ import {
     parseCombinedSamplerName,
     resolveSamplerScheduler,
     findMatchingWidgets,
+    NODE_TYPE_WIDGET_OVERRIDES,
 } from '../../../static/js/utils/genParamsMapper.js';
 
 // ---------------------------------------------------------------------------
@@ -243,4 +244,53 @@ describe('findMatchingWidgets', () => {
         const updates = findMatchingWidgets(['seed', 'steps', 'cfg', 'sampler_name', 'scheduler'], resolved);
         expect(updates.map(u => u.widgetName)).toEqual(['seed', 'steps', 'cfg', 'sampler_name', 'scheduler']);
     });
+
+    // --- node-type-specific overrides ---
+    it('matches GlobalSeed //Inspire value widget for seed param', () => {
+        const updates = findMatchingWidgets(
+            ['value', 'mode', 'action', 'last_seed'],
+            { seed: 42 },
+            'GlobalSeed //Inspire'
+        );
+        expect(updates).toHaveLength(1);
+        expect(updates[0]).toEqual({ widgetName: 'value', value: 42 });
+    });
+
+    it('ignores nodeType when it does not match any override entry', () => {
+        const updates = findMatchingWidgets(
+            ['value', 'mode', 'action', 'last_seed'],
+            { seed: 42 },
+            'SomeOtherNode'
+        );
+        expect(updates).toEqual([]);
+    });
+
+    it('still falls back to global candidates when override candidates do not match', () => {
+        // GlobalSeed override does not include steps — should use global candidate "steps"
+        const updates = findMatchingWidgets(
+            ['steps', 'cfg', 'sampler_name'],
+            { steps: 20 },
+            'GlobalSeed //Inspire'
+        );
+        expect(updates).toHaveLength(1);
+        expect(updates[0]).toEqual({ widgetName: 'steps', value: 20 });
+    });
+
+    it('prefers overrides when both override and global candidates match', () => {
+        // If a hypothetical node has both "value" and "seed" widgets AND a
+        // GlobalSeed override, the override candidate "value" should take precedence
+        const updates = findMatchingWidgets(
+            ['seed', 'noise_seed', 'value', 'mode'],
+            { seed: 99 },
+            'GlobalSeed //Inspire'
+        );
+        expect(updates).toHaveLength(1);
+        expect(updates[0].widgetName).toBe('value');
+    });
+
+    it('omits nodeType argument and still matches via global candidates', () => {
+        const updates = findMatchingWidgets(['seed', 'steps', 'cfg'], { seed: 7 });
+        expect(updates).toHaveLength(1);
+        expect(updates[0]).toEqual({ widgetName: 'seed', value: 7 });
+    });
 });