note-linked tasks are now efficient

src/components/TagPicker.tsx

@@ -1,5 +1,5 @@
 import { type Component, createSignal, For, createEffect } from "solid-js";
-import { store, upsertTagDefinition, isCurrentUserContextTag, setContextPolicy } from "@/store";
+import { store, upsertTagDefinition, isCurrentUserContextTag, setContextPolicy, setNoteContextPolicy, getNoteSharePolicy } from "@/store";
 import { useTheme } from "./ThemeProvider";
 import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
 import { Button } from "@/components/ui/button";
@@ -55,6 +55,14 @@ export const TagPicker: Component<TagPickerProps> = (props) => {
         ) || null;
     };
 
+    const selectedNoteContext = () => {
+        const name = selectedTagName().trim();
+        if (!name.startsWith("#")) return null;
+
+        const key = normalizeNoteKey(name);
+        return store.notes.find(note => !note.deletedAt && note.key === key) || null;
+    };
+
     // When a tag name is selected, update the value score to match its current definition
     createEffect(() => {
         const name = selectedTagName().trim();
@@ -72,7 +80,12 @@ export const TagPicker: Component<TagPickerProps> = (props) => {
             setShareMode(context.policy);
             return;
         }
-        if (selectedTagName().trim().startsWith("@")) {
+        const note = selectedNoteContext();
+        if (note) {
+            setShareMode(getNoteSharePolicy(note));
+            return;
+        }
+        if (selectedTagName().trim().startsWith("@") || selectedTagName().trim().startsWith("#")) {
             setShareMode("handoff");
         }
     });
@@ -82,6 +95,7 @@ export const TagPicker: Component<TagPickerProps> = (props) => {
         if (!name) return;
 
         const context = selectedShareContext();
+        const noteContext = selectedNoteContext();
 
         if (name.startsWith("@")) {
             const normalized = normalizeContextKey(name);
@@ -108,6 +122,11 @@ export const TagPicker: Component<TagPickerProps> = (props) => {
                 toast.error("Create the canonical note first before linking it with a #tag.");
                 return;
             }
+
+            if (noteContext && getNoteSharePolicy(noteContext) !== shareMode()) {
+                const updated = await setNoteContextPolicy(noteContext.id, shareMode());
+                if (!updated) return;
+            }
         }
 
         // update global definition
@@ -167,7 +186,7 @@ export const TagPicker: Component<TagPickerProps> = (props) => {
                     </select>
                 </div>
 
-                {selectedTagName().trim().startsWith("@") && (
+                {(selectedTagName().trim().startsWith("@") || selectedTagName().trim().startsWith("#")) && (
                     <div class="space-y-1.5">
                         <label class="text-[0.625rem] font-bold uppercase tracking-wider text-muted-foreground">Share Mode</label>
                         <div class="bg-background border border-border p-1 rounded-xl flex items-center shadow-sm relative min-w-[160px] h-10">