feat: profile bio

components/profile/profile-edit-form.tsx

@@ -31,6 +31,11 @@ import { compressImage } from "@/lib/compress-image";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
+import { MentionTextarea } from "@/components/social/mention-textarea";
+import { cn } from "@/lib/utils";
+
+/** Profile bio cap. Mirrors the BFF's service.MaxBioRunes. */
+const BIO_MAX = 200;
 import { Combobox, type ComboboxOption } from "@/components/ui/combobox";
 import { DatePicker } from "@/components/ui/date-picker";
 
@@ -70,6 +75,7 @@ export function ProfileEditForm({
   const [name, setName] = useState(user.name);
   const [handle, setHandle] = useState(user.handle);
   const [avatarUrl, setAvatarUrl] = useState<string | null>(user.avatar_url);
+  const [bio, setBio] = useState<string>(user.bio ?? "");
   const [country, setCountry] = useState<string>(user.country ?? "");
   // Devotional details. Each "" means "not specified".
   const [sampradaya, setSampradaya] = useState<string>(user.sampradaya ?? "");
@@ -92,11 +98,15 @@ export function ProfileEditForm({
   const origRounds =
     user.daily_chanting_rounds != null ? String(user.daily_chanting_rounds) : "";
   const effInitiatedAt = initiated ? initiatedAt : "";
+  // Spread, not .length — counts code points so emoji and Devanāgarī match
+  // the server's rune-based cap instead of over-counting UTF-16 units.
+  const bioCount = [...bio.trim()].length;
 
   const dirty =
     name.trim() !== user.name ||
     handle.trim() !== user.handle ||
     avatarUrl !== user.avatar_url ||
+    bio.trim() !== (user.bio ?? "") ||
     country !== (user.country ?? "") ||
     sampradaya !== (user.sampradaya ?? "") ||
     gender !== (user.gender ?? "") ||
@@ -108,6 +118,13 @@ export function ProfileEditForm({
     e.preventDefault();
     setError(null);
 
+    // Counted in code points to match the BFF's rune-based cap, so a bio in
+    // Devanāgarī is measured the same way as one in Latin script.
+    if ([...bio.trim()].length > BIO_MAX) {
+      setError(`Bio must be ${BIO_MAX} characters or fewer.`);
+      return;
+    }
+
     // Client-side guard for the round count (the BFF re-checks 1–1008).
     if (rounds !== "") {
       const n = Number(rounds);
@@ -126,6 +143,8 @@ export function ProfileEditForm({
       if (name.trim() !== user.name) patch.name = name.trim();
       if (avatarUrl !== user.avatar_url) patch.avatar_url = avatarUrl ?? "";
       if (handle.trim() !== user.handle) patch.handle = handle.trim();
+      // "" clears the bio.
+      if (bio.trim() !== (user.bio ?? "")) patch.bio = bio.trim();
       if (country !== (user.country ?? "")) patch.country = country;
       // "" clears the lineage; a code sets it.
       if (sampradaya !== (user.sampradaya ?? "")) patch.sampradaya = sampradaya;
@@ -221,6 +240,40 @@ export function ProfileEditForm({
           />
         </div>
 
+        <div className="space-y-1.5">
+          <Label htmlFor="profile-bio">Bio</Label>
+          {/* MentionTextarea (shared with the post composer and comment box)
+              gives us the debounced "@" suggestion list for free — typing an
+              @token opens a people picker prioritised following → followers. */}
+          <MentionTextarea
+            id="profile-bio"
+            value={bio}
+            onChange={setBio}
+            rows={3}
+            maxLength={BIO_MAX}
+            placeholder="A little about you… mention devotees with @handle"
+            // Mirrors the <Input> primitive's chrome so the bio sits flush
+            // with the other fields (auto height instead of the fixed h-10).
+            className="w-full min-w-0 resize-y rounded-lg border border-input bg-card px-3 py-2 text-base transition-colors outline-none placeholder:text-muted-foreground focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 dark:bg-card"
+          />
+          <div className="flex items-start justify-between gap-3">
+            <p className="text-xs text-muted-foreground">
+              Type <span className="font-medium text-foreground">@</span> to
+              mention another devotee — mentions become links on your profile.
+            </p>
+            <span
+              className={cn(
+                "shrink-0 text-xs tabular-nums",
+                bioCount > BIO_MAX
+                  ? "font-medium text-destructive"
+                  : "text-muted-foreground",
+              )}
+            >
+              {bioCount}/{BIO_MAX}
+            </span>
+          </div>
+        </div>
+
         <div className="space-y-1.5">
           <Label htmlFor="profile-handle">Handle</Label>
           {/* "@" sits inside the field as a fixed, non-editable prefix —