feat(reads): Phase 2 — editor, drafts, publish, highlights

- Create DraftLongTextNoteEvent (kind 30024) in quartz with EventFactory registration
- Create LongFormPublishAction for signing + publishing kind 30023 events
- Create split-pane ArticleEditorScreen with live markdown preview
- Create MarkdownToolbar (bold, italic, heading, link, image, code, quote)
- Create MetadataPanel (title, summary, banner, tags, slug)
- Create DesktopDraftStore with JSON index + .md files, atomic writes, slug sanitization
- Create DraftsScreen with draft list, delete, new draft button
- Create HighlightCreator dialog for kind 9802 highlight creation
- Add Drafts nav rail entry and Editor/Drafts screen routing

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip23LongContent/DraftLongTextNoteEvent.kt

@@ -0,0 +1,161 @@
+/*
+ * Copyright (c) 2025 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.quartz.nip23LongContent
+
+import androidx.compose.runtime.Immutable
+import com.vitorpamplona.quartz.nip01Core.core.Address
+import com.vitorpamplona.quartz.nip01Core.core.AddressableEvent
+import com.vitorpamplona.quartz.nip01Core.core.HexKey
+import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
+import com.vitorpamplona.quartz.nip01Core.hints.AddressHintProvider
+import com.vitorpamplona.quartz.nip01Core.hints.EventHintProvider
+import com.vitorpamplona.quartz.nip01Core.hints.PubKeyHintProvider
+import com.vitorpamplona.quartz.nip01Core.hints.types.AddressHint
+import com.vitorpamplona.quartz.nip01Core.hints.types.EventIdHint
+import com.vitorpamplona.quartz.nip01Core.hints.types.PubKeyHint
+import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
+import com.vitorpamplona.quartz.nip01Core.tags.dTag.dTag
+import com.vitorpamplona.quartz.nip01Core.tags.hashtags.hashtags
+import com.vitorpamplona.quartz.nip01Core.tags.people.PTag
+import com.vitorpamplona.quartz.nip01Core.tags.publishedAt.PublishedAtProvider
+import com.vitorpamplona.quartz.nip10Notes.BaseThreadedEvent
+import com.vitorpamplona.quartz.nip18Reposts.quotes.QTag
+import com.vitorpamplona.quartz.nip19Bech32.addressHints
+import com.vitorpamplona.quartz.nip19Bech32.addressIds
+import com.vitorpamplona.quartz.nip19Bech32.eventHints
+import com.vitorpamplona.quartz.nip19Bech32.eventIds
+import com.vitorpamplona.quartz.nip19Bech32.pubKeyHints
+import com.vitorpamplona.quartz.nip19Bech32.pubKeys
+import com.vitorpamplona.quartz.nip22Comments.RootScope
+import com.vitorpamplona.quartz.nip23LongContent.tags.ImageTag
+import com.vitorpamplona.quartz.nip23LongContent.tags.PublishedAtTag
+import com.vitorpamplona.quartz.nip23LongContent.tags.SummaryTag
+import com.vitorpamplona.quartz.nip23LongContent.tags.TitleTag
+import com.vitorpamplona.quartz.nip31Alts.alt
+import com.vitorpamplona.quartz.nip50Search.SearchableEvent
+import com.vitorpamplona.quartz.utils.TimeUtils
+import kotlin.uuid.ExperimentalUuidApi
+import kotlin.uuid.Uuid
+
+/**
+ * NIP-23 Draft Long-form Content (kind 30024).
+ * Same structure as LongTextNoteEvent (kind 30023) but for unpublished drafts.
+ */
+@Immutable
+class DraftLongTextNoteEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: Array<Array<String>>,
+    content: String,
+    sig: HexKey,
+) : BaseThreadedEvent(id, pubKey, createdAt, KIND, tags, content, sig),
+    AddressableEvent,
+    EventHintProvider,
+    PubKeyHintProvider,
+    AddressHintProvider,
+    PublishedAtProvider,
+    RootScope,
+    SearchableEvent {
+    override fun indexableContent() = "title: " + title() + "\nsummary: " + summary() + "\n" + content
+
+    override fun eventHints(): List<EventIdHint> {
+        val qHints = tags.mapNotNull(QTag::parseEventAsHint)
+        val nip19Hints = citedNIP19().eventHints()
+        return qHints + nip19Hints
+    }
+
+    override fun linkedEventIds(): List<HexKey> {
+        val qHints = tags.mapNotNull(QTag::parseEventId)
+        val nip19Hints = citedNIP19().eventIds()
+        return qHints + nip19Hints
+    }
+
+    override fun addressHints(): List<AddressHint> {
+        val qHints = tags.mapNotNull(QTag::parseAddressAsHint)
+        val nip19Hints = citedNIP19().addressHints()
+        return qHints + nip19Hints
+    }
+
+    override fun linkedAddressIds(): List<String> {
+        val qHints = tags.mapNotNull(QTag::parseAddressId)
+        val nip19Hints = citedNIP19().addressIds()
+        return qHints + nip19Hints
+    }
+
+    override fun pubKeyHints(): List<PubKeyHint> {
+        val pHints = tags.mapNotNull(PTag::parseAsHint)
+        val nip19Hints = citedNIP19().pubKeyHints()
+        return pHints + nip19Hints
+    }
+
+    override fun linkedPubKeys(): List<HexKey> {
+        val pHints = tags.mapNotNull(PTag::parseKey)
+        val nip19Hints = citedNIP19().pubKeys()
+        return pHints + nip19Hints
+    }
+
+    override fun dTag() = tags.dTag()
+
+    override fun address() = Address(kind, pubKey, dTag())
+
+    override fun addressTag() = Address.assemble(kind, pubKey, dTag())
+
+    fun topics() = hashtags()
+
+    fun title() = tags.firstNotNullOfOrNull(TitleTag::parse)
+
+    fun image() = tags.firstNotNullOfOrNull(ImageTag::parse)
+
+    fun summary() = tags.firstNotNullOfOrNull(SummaryTag::parse)
+
+    override fun publishedAt(): Long? {
+        val publishedAt = tags.firstNotNullOfOrNull(PublishedAtTag::parse)
+        if (publishedAt == null) return null
+        return if (publishedAt <= createdAt) publishedAt else null
+    }
+
+    companion object {
+        const val KIND = 30024
+
+        @OptIn(ExperimentalUuidApi::class)
+        fun build(
+            description: String,
+            title: String,
+            summary: String? = null,
+            image: String? = null,
+            publishedAt: Long? = null,
+            dTag: String = Uuid.random().toString(),
+            createdAt: Long = TimeUtils.now(),
+            initializer: TagArrayBuilder<DraftLongTextNoteEvent>.() -> Unit = {},
+        ) = eventTemplate(KIND, description, createdAt) {
+            dTag(dTag)
+            alt("Draft blog post: $title")
+
+            addUnique(TitleTag.assemble(title))
+            summary?.let { addUnique(SummaryTag.assemble(it)) }
+            image?.let { addUnique(ImageTag.assemble(it)) }
+            publishedAt?.let { addUnique(PublishedAtTag.assemble(it)) }
+
+            initializer()
+        }
+    }
+}

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/utils/EventFactory.kt

@@ -58,6 +58,7 @@ import com.vitorpamplona.quartz.nip17Dm.settings.ChatMessageRelayListEvent
 import com.vitorpamplona.quartz.nip18Reposts.GenericRepostEvent
 import com.vitorpamplona.quartz.nip18Reposts.RepostEvent
 import com.vitorpamplona.quartz.nip22Comments.CommentEvent
+import com.vitorpamplona.quartz.nip23LongContent.DraftLongTextNoteEvent
 import com.vitorpamplona.quartz.nip23LongContent.LongTextNoteEvent
 import com.vitorpamplona.quartz.nip25Reactions.ReactionEvent
 import com.vitorpamplona.quartz.nip28PublicChat.admin.ChannelCreateEvent
@@ -272,6 +273,7 @@ class EventFactory {
                 LnZapPrivateEvent.KIND -> LnZapPrivateEvent(id, pubKey, createdAt, tags, content, sig)
                 LnZapRequestEvent.KIND -> LnZapRequestEvent(id, pubKey, createdAt, tags, content, sig)
                 LongTextNoteEvent.KIND -> LongTextNoteEvent(id, pubKey, createdAt, tags, content, sig)
+                DraftLongTextNoteEvent.KIND -> DraftLongTextNoteEvent(id, pubKey, createdAt, tags, content, sig)
                 MeetingRoomEvent.KIND -> MeetingRoomEvent(id, pubKey, createdAt, tags, content, sig)
                 MeetingRoomPresenceEvent.KIND -> MeetingRoomPresenceEvent(id, pubKey, createdAt, tags, content, sig)
                 MeetingSpaceEvent.KIND -> MeetingSpaceEvent(id, pubKey, createdAt, tags, content, sig)