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fix(cad): retry health checks so buttons aren't permanently disabled 

All CAD shapes (KiCad, FreeCAD, Blender) now retry health checks up to
3 times with 3s delay before disabling the generate button. Prevents
transient failures during container startup from permanently greying
out the button.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Jeff Emmett 2026-03-25 18:07:57 -07:00
parent 358965cb61
commit 25aaadd247
3 changed files with 53 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
lib/folk-blender.ts
View File

@ -384,20 +384,25 @@ export class FolkBlender extends FolkShape {
this.#renderResult();
}
// Health check
fetch("/api/blender-gen/health").then(r => r.json()).then((h: any) => {
if (!h.available && this.#generateBtn) {
this.#generateBtn.disabled = true;
this.#generateBtn.title = (h.issues || []).join(", ") || "Blender service unavailable";
} else if (h.warnings?.length && this.#generateBtn) {
this.#generateBtn.title = h.warnings.join(", ");
}
}).catch(() => {
if (this.#generateBtn) {
this.#generateBtn.disabled = true;
this.#generateBtn.title = "Cannot reach Blender health endpoint";
}
});
// Health check with retry (container may still be starting)
const checkHealth = (attempt = 0) => {
fetch("/api/blender-gen/health").then(r => r.json()).then((h: any) => {
if (!h.available && this.#generateBtn) {
if (attempt < 2) { setTimeout(() => checkHealth(attempt + 1), 3000); return; }
this.#generateBtn.disabled = true;
this.#generateBtn.title = (h.issues || []).join(", ") || "Blender service unavailable";
} else if (h.warnings?.length && this.#generateBtn) {
this.#generateBtn.title = h.warnings.join(", ");
}
}).catch(() => {
if (attempt < 2) { setTimeout(() => checkHealth(attempt + 1), 3000); return; }
if (this.#generateBtn) {
this.#generateBtn.disabled = true;
this.#generateBtn.title = "Cannot reach Blender health endpoint";
}
});
};
checkHealth();
return root;
}

29
lib/folk-freecad.ts
View File

@ -311,18 +311,23 @@ export class FolkFreeCAD extends FolkShape {
this.#renderResult();
}
// Health check
fetch("/api/freecad/health").then(r => r.json()).then((h: any) => {
if (!h.available && this.#generateBtn) {
this.#generateBtn.disabled = true;
this.#generateBtn.title = h.error || "FreeCAD MCP server unavailable";
}
}).catch(() => {
if (this.#generateBtn) {
this.#generateBtn.disabled = true;
this.#generateBtn.title = "Cannot reach FreeCAD health endpoint";
}
});
// Health check with retry (container may still be starting)
const checkHealth = (attempt = 0) => {
fetch("/api/freecad/health").then(r => r.json()).then((h: any) => {
if (!h.available && this.#generateBtn) {
if (attempt < 2) { setTimeout(() => checkHealth(attempt + 1), 3000); return; }
this.#generateBtn.disabled = true;
this.#generateBtn.title = h.error || "FreeCAD MCP server unavailable";
}
}).catch(() => {
if (attempt < 2) { setTimeout(() => checkHealth(attempt + 1), 3000); return; }
if (this.#generateBtn) {
this.#generateBtn.disabled = true;
this.#generateBtn.title = "Cannot reach FreeCAD health endpoint";
}
});
};
checkHealth();
return root;
}

29
lib/folk-kicad.ts
View File

@ -397,18 +397,23 @@ export class FolkKiCAD extends FolkShape {
this.#showExports();
}
// Health check
fetch("/api/kicad/health").then(r => r.json()).then((h: any) => {
if (!h.available && this.#generateBtn) {
this.#generateBtn.disabled = true;
this.#generateBtn.title = h.error || "KiCAD MCP server unavailable";
}
}).catch(() => {
if (this.#generateBtn) {
this.#generateBtn.disabled = true;
this.#generateBtn.title = "Cannot reach KiCAD health endpoint";
}
});
// Health check with retry (container may still be starting)
const checkHealth = (attempt = 0) => {
fetch("/api/kicad/health").then(r => r.json()).then((h: any) => {
if (!h.available && this.#generateBtn) {
if (attempt < 2) { setTimeout(() => checkHealth(attempt + 1), 3000); return; }
this.#generateBtn.disabled = true;
this.#generateBtn.title = h.error || "KiCAD MCP server unavailable";
}
}).catch(() => {
if (attempt < 2) { setTimeout(() => checkHealth(attempt + 1), 3000); return; }
if (this.#generateBtn) {
this.#generateBtn.disabled = true;
this.#generateBtn.title = "Cannot reach KiCAD health endpoint";
}
});
};
checkHealth();
return root;
}