diff --git a/.agents/skills/flotilla-model/SKILL.md b/.agents/skills/flotilla-model/SKILL.md
index 756ab176..886a53a8 100644
--- a/.agents/skills/flotilla-model/SKILL.md
+++ b/.agents/skills/flotilla-model/SKILL.md
@@ -300,8 +300,7 @@ These predate the rule or are waiting on welshman. Don't copy them; fix one when
   relay lists in `SignUp.svelte` (`RelayList`, `MessagingRelayList`); deletes in
   `ProfileDelete.svelte` and the push adapter (`Delete`); the vanish request as a literal `62`
   (`VANISH`).
-- **Getter exists but bypassed:** titles in `src/app/title.ts`, `NoteContentThread` and the
-  threads pages; calendar `start`/`end` in `src/app/feeds.ts` and the calendar page; poll `response`
+- **Getter exists but bypassed:** calendar `start`/`end` in `src/app/feeds.ts` and the calendar page; poll `response`
   tags in `PollVotes`; `p` tags of `RELAY_ADD_MEMBER`, `ROOM_ADD_MEMBER` and
   `ROOM_CREATE_PERMISSION` (`SpaceMembersSummary`, `RoomItemAddMember`, `src/app/management.ts`);
   comment `E`/`A` tags in the list pages and `src/app/classifieds.ts`; `imeta` unpacking in
diff --git a/src/app/components/CalendarEventItem.svelte b/src/app/components/CalendarEventItem.svelte
index ece06e8b..3f80135d 100644
--- a/src/app/components/CalendarEventItem.svelte
+++ b/src/app/components/CalendarEventItem.svelte
@@ -1,10 +1,12 @@
 <script lang="ts">
   import type {TrustedEvent} from "@welshman/util"
-  import {getAddress, tagValue, tagSpec} from "@welshman/util"
+  import {getAddress} from "@welshman/util"
+  import {TimeEvent} from "@welshman/domain"
   import Link from "@lib/components/Link.svelte"
   import Cv from "@lib/components/Cv.svelte"
   import ContentActions from "@app/components/ContentActions.svelte"
   import CalendarEventEdit from "@app/components/CalendarEventEdit.svelte"
+  import {reader} from "@app/core"
   import type {FeedContext} from "@app/feeds"
   import CalendarEventHeader from "@app/components/CalendarEventHeader.svelte"
   import ProfileLink from "@app/components/ProfileLink.svelte"
@@ -21,7 +23,7 @@
   const {url, event, context}: Props = $props()
 
   const path = $derived(makeCalendarPath(url, getAddress(event)))
-  const h = $derived(tagValue(tagSpec("h"), event.tags))
+  const h = $derived(reader(TimeEvent)(event).room())
 </script>
 
 <Cv tag={Link} class="relative flex flex-col gap-3 card card-interactive w-full" href={path}>
diff --git a/src/app/components/NoteContentMinimalThread.svelte b/src/app/components/NoteContentMinimalThread.svelte
index 554ef6e9..f430fe5d 100644
--- a/src/app/components/NoteContentMinimalThread.svelte
+++ b/src/app/components/NoteContentMinimalThread.svelte
@@ -1,11 +1,12 @@
 <script lang="ts">
   import type {ComponentProps} from "svelte"
-  import {tagSpec, tagValue} from "@welshman/util"
+  import {Thread} from "@welshman/domain"
   import ContentMinimal from "@app/components/ContentMinimal.svelte"
+  import {reader} from "@app/core"
 
   const props: ComponentProps<typeof ContentMinimal> = $props()
 
-  const title = tagValue(tagSpec("title"), props.event.tags)
+  const title = reader(Thread)(props.event).title()
 </script>
 
 {#if title}
diff --git a/src/app/components/NoteContentThread.svelte b/src/app/components/NoteContentThread.svelte
index 939c5390..8a1d8640 100644
--- a/src/app/components/NoteContentThread.svelte
+++ b/src/app/components/NoteContentThread.svelte
@@ -1,11 +1,12 @@
 <script lang="ts">
   import type {ComponentProps} from "svelte"
-  import {tagSpec, tagValue} from "@welshman/util"
+  import {Thread} from "@welshman/domain"
   import Content from "@app/components/Content.svelte"
+  import {reader} from "@app/core"
 
   const props: ComponentProps<typeof Content> = $props()
 
-  const title = tagValue(tagSpec("title"), props.event.tags)
+  const title = reader(Thread)(props.event).title()
 </script>
 
 <div class="flex flex-col gap-2">
diff --git a/src/app/components/PollItem.svelte b/src/app/components/PollItem.svelte
index a76fab5a..c98ffeb6 100644
--- a/src/app/components/PollItem.svelte
+++ b/src/app/components/PollItem.svelte
@@ -1,10 +1,11 @@
 <script lang="ts">
   import type {TrustedEvent} from "@welshman/util"
-  import {tagSpec, tagValue} from "@welshman/util"
+  import {Poll} from "@welshman/domain"
   import Link from "@lib/components/Link.svelte"
   import Cv from "@lib/components/Cv.svelte"
   import NoteContent from "@app/components/NoteContent.svelte"
   import ContentActions from "@app/components/ContentActions.svelte"
+  import {reader} from "@app/core"
   import type {FeedContext} from "@app/feeds"
   import RoomLink from "@app/components/RoomLink.svelte"
   import ProfileLink from "@app/components/ProfileLink.svelte"
@@ -20,7 +21,7 @@
   const {url, event, context}: Props = $props()
 
   const path = makePollPath(url, event.id)
-  const h = tagValue(tagSpec("h"), event.tags)
+  const h = reader(Poll)(event).room()
 </script>
 
 <Cv tag={Link} class="relative flex flex-col gap-2 card card-interactive w-full" href={path}>
diff --git a/src/app/components/ReportMenuList.svelte b/src/app/components/ReportMenuList.svelte
index 5376f911..487f7386 100644
--- a/src/app/components/ReportMenuList.svelte
+++ b/src/app/components/ReportMenuList.svelte
@@ -1,7 +1,7 @@
 <script lang="ts">
   import {onMount} from "svelte"
-  import {matchTag, tagSpec} from "@welshman/util"
   import type {TrustedEvent} from "@welshman/util"
+  import {Report} from "@welshman/domain"
   import InboxOut from "@assets/icons/inbox-out.svg?dataurl"
   import MinusCircle from "@assets/icons/minus-circle.svg?dataurl"
   import TrashBin2 from "@assets/icons/trash-bin-2.svg?dataurl"
@@ -9,7 +9,7 @@
   import Icon from "@lib/components/Icon.svelte"
   import Button from "@lib/components/Button.svelte"
   import Confirm from "@lib/components/Confirm.svelte"
-  import {app, deletes, profiles, relayManagement, relays, user} from "@app/core"
+  import {app, deletes, profiles, reader, relayManagement, relays, user} from "@app/core"
   import {deriveSpacePermissions} from "@app/management"
   import {pushToast} from "@app/toast"
   import {pushModal} from "@app/modal"
@@ -24,8 +24,10 @@
   const {url, event, onResolved, onClick}: Props = $props()
 
   const permissions = deriveSpacePermissions(url)
-  const etag = matchTag(tagSpec("e"), event.tags)
-  const ptag = matchTag(tagSpec("p"), event.tags)
+  const report = reader(Report)(event)
+  const reportedId = report.eventId()
+  const reportedPubkey = report.pubkey()
+  const reason = report.reason() ?? ""
 
   const deleteReport = async () => {
     const protect = await $relays.hasNip(url, 70)
@@ -48,20 +50,18 @@
   }
 
   const banContent = () => {
-    const [_, id, reason = ""] = etag!
-
     pushModal(Confirm, {
       title: `Remove Content`,
       message: `Are you sure you want to delete this content from the space?`,
       confirm: async () => {
-        const {error} = await $relayManagement.forUrl(url).banEvent(id, reason)
+        const {error} = await $relayManagement.forUrl(url).banEvent(reportedId!, reason)
 
         if (error) {
           pushToast({theme: "error", message: error})
         } else {
           pushToast({message: "Content has successfully been deleted!"})
           $app.repository.removeEvent(event.id)
-          $app.repository.removeEvent(id)
+          $app.repository.removeEvent(reportedId!)
           history.back()
           setTimeout(() => onResolved?.())
         }
@@ -70,13 +70,11 @@
   }
 
   const banMember = () => {
-    const [_, reported, reason = ""] = ptag!
-
     pushModal(Confirm, {
       title: "Ban User",
-      message: `Are you sure you want to ban @${$profiles.display(reported, [url]).get()} from the space?`,
+      message: `Are you sure you want to ban @${$profiles.display(reportedPubkey!, [url]).get()} from the space?`,
       confirm: async () => {
-        const {error} = await $relayManagement.forUrl(url).banPubkey(reported, reason)
+        const {error} = await $relayManagement.forUrl(url).banPubkey(reportedPubkey!, reason)
 
         if (error) {
           pushToast({theme: "error", message: error})
@@ -113,7 +111,7 @@
         Dismiss Report
       </Button>
     </li>
-    {#if etag}
+    {#if reportedId}
       <li>
         <Button class="text-error" onclick={banContent}>
           <Icon icon={TrashBin2} />
@@ -122,7 +120,7 @@
       </li>
     {/if}
   {/if}
-  {#if ptag && $permissions.ban}
+  {#if reportedPubkey && $permissions.ban}
     <li>
       <Button class="text-error" onclick={banMember}>
         <Icon icon={MinusCircle} />
diff --git a/src/app/components/RoomItem.svelte b/src/app/components/RoomItem.svelte
index 79b1dddd..a0ed9558 100644
--- a/src/app/components/RoomItem.svelte
+++ b/src/app/components/RoomItem.svelte
@@ -3,15 +3,8 @@
   import {readable} from "svelte/store"
   import {now, uniq, displayList, formatTimestampAsTime, formatTimestampAsDate} from "@welshman/lib"
   import type {TrustedEvent, EventContent} from "@welshman/util"
-  import {
-    MESSAGE,
-    THREAD,
-    getCommentFiltersForParent,
-    getIdOrAddress,
-    tagSpec,
-    tagValue,
-  } from "@welshman/util"
-  import {getContentQuote} from "@welshman/domain"
+  import {MESSAGE, THREAD, getCommentFiltersForParent, getIdOrAddress} from "@welshman/util"
+  import {Thread, getContentQuote} from "@welshman/domain"
   import {isMobile} from "@lib/html"
   import NotesMinimalistic from "@assets/icons/notes-minimalistic.svg?dataurl"
   import Pen from "@assets/icons/pen.svg?dataurl"
@@ -32,7 +25,7 @@
   import RoomItemMenuButton from "@app/components/RoomItemMenuButton.svelte"
   import RoomItemMenuMobile from "@app/components/RoomItemMenuMobile.svelte"
   import RoomItemContent from "@app/components/RoomItemContent.svelte"
-  import {events, profiles, thunks, user} from "@app/core"
+  import {events, profiles, reader, thunks, user} from "@app/core"
   import {noThunks, thunksByEventId} from "@app/thunks"
   import {colorFor} from "@app/theme"
   import {ENABLE_ZAPS} from "@app/env"
@@ -154,7 +147,7 @@
         class="button button-xs button-neutral gap-1 rounded-full">
         <Icon icon={NotesMinimalistic} />
         <span class="max-w-48 truncate">
-          {tagValue(tagSpec("title"), thread.tags) || "Thread"}
+          {reader(Thread)(thread).title() || "Thread"}
         </span>
       </Link>
     {/each}
diff --git a/src/app/components/RoomJoinItem.svelte b/src/app/components/RoomJoinItem.svelte
index 7cccb192..519b099b 100644
--- a/src/app/components/RoomJoinItem.svelte
+++ b/src/app/components/RoomJoinItem.svelte
@@ -1,12 +1,12 @@
 <script lang="ts">
-  import {tagSpec, tagValue} from "@welshman/util"
   import type {TrustedEvent} from "@welshman/util"
+  import {RoomJoin} from "@welshman/domain"
   import Card from "@lib/components/Card.svelte"
   import Button from "@lib/components/Button.svelte"
   import ProfileName from "@app/components/ProfileName.svelte"
   import ProfileDetail from "@app/components/ProfileDetail.svelte"
   import RoomName from "@app/components/RoomName.svelte"
-  import {app, relayManagement} from "@app/core"
+  import {app, reader, relayManagement} from "@app/core"
   import {deriveSpacePermissions} from "@app/management"
   import {pushModal} from "@app/modal"
   import {pushToast} from "@app/toast"
@@ -20,7 +20,7 @@
 
   const {url, event, onResolved}: Props = $props()
 
-  const h = tagValue(tagSpec("h"), event.tags) || ""
+  const h = reader(RoomJoin)(event).room() || ""
 
   const permissions = deriveSpacePermissions(url)
 
diff --git a/src/app/components/ThreadBoardItem.svelte b/src/app/components/ThreadBoardItem.svelte
index 68141f05..25ab5b66 100644
--- a/src/app/components/ThreadBoardItem.svelte
+++ b/src/app/components/ThreadBoardItem.svelte
@@ -3,12 +3,14 @@
   import {derived} from "svelte/store"
   import {filter, formatTimestamp, max, spec} from "@welshman/lib"
   import type {TrustedEvent} from "@welshman/util"
-  import {COMMENT, tagSpec, tagValue} from "@welshman/util"
+  import {COMMENT} from "@welshman/util"
+  import {Thread} from "@welshman/domain"
   import Link from "@lib/components/Link.svelte"
   import Cv from "@lib/components/Cv.svelte"
   import ProfileCircle from "@app/components/ProfileCircle.svelte"
   import ProfileName from "@app/components/ProfileName.svelte"
   import UnreadDot from "@app/components/UnreadDot.svelte"
+  import {reader} from "@app/core"
   import type {FeedContext} from "@app/feeds"
   import {makeThreadPath} from "@app/routes"
 
@@ -25,7 +27,7 @@
   const replies = derived(related, $related => filter(spec({kind: COMMENT}), $related))
   const replyCount = $derived($replies.length)
   const lastActive = $derived(max([...$replies, event].map(e => e.created_at)))
-  const title = tagValue(tagSpec("title"), event.tags)
+  const title = reader(Thread)(event).title()
   const path = makeThreadPath(url, event.id)
   const onClick = () => navigate(path)
 </script>
diff --git a/src/app/components/ThreadSummaryBar.svelte b/src/app/components/ThreadSummaryBar.svelte
index 08b807b9..1b4cf234 100644
--- a/src/app/components/ThreadSummaryBar.svelte
+++ b/src/app/components/ThreadSummaryBar.svelte
@@ -1,9 +1,10 @@
 <script lang="ts">
   import type {TrustedEvent} from "@welshman/util"
-  import {tagSpec, tagValue} from "@welshman/util"
+  import {Thread} from "@welshman/domain"
   import Button from "@lib/components/Button.svelte"
   import ProfileCircle from "@app/components/ProfileCircle.svelte"
   import ContentMinimal from "@app/components/ContentMinimal.svelte"
+  import {reader} from "@app/core"
 
   type Props = {
     url: string
@@ -13,7 +14,7 @@
 
   const {url, event, onClick}: Props = $props()
 
-  const title = tagValue(tagSpec("title"), event.tags)
+  const title = reader(Thread)(event).title()
 </script>
 
 <Button
diff --git a/src/app/content.ts b/src/app/content.ts
index 39724267..2f5a7d9d 100644
--- a/src/app/content.ts
+++ b/src/app/content.ts
@@ -37,9 +37,9 @@ export const AUDIO_CONTENT_TYPES = [
 ]
 
 export const getUrlTags = (url: string, event: TrustedEvent) => {
-  // An imeta tag packs its own tags into space-separated values, so unpack them.
+  // An imeta entry is "key value" and the value may contain spaces, so split at the first one only.
   const imetas = matchTags(tagSpec("imeta"), event.tags).map(([, ...values]: string[]) =>
-    values.map(value => value.split(" ")),
+    values.map(value => value.split(/ (.*)/s, 2)),
   )
   const imeta = imetas.find(meta => tagValue(tagSpec("url"), meta) === url)
 
diff --git a/src/app/title.ts b/src/app/title.ts
index df213df8..384164f0 100644
--- a/src/app/title.ts
+++ b/src/app/title.ts
@@ -1,10 +1,9 @@
 import {identity, uniq} from "@welshman/lib"
-import {tagSpec, tagValue} from "@welshman/util"
-import {displayPubkey} from "@welshman/domain"
+import {Article, Classified, Thread, ZapGoal, displayPubkey} from "@welshman/domain"
 import {makeRoomKey} from "@welshman/app"
 import {decodePubkey} from "@lib/util"
 import {getEventTitle} from "@app/calendar"
-import {app, profiles, rooms} from "@app/core"
+import {app, profiles, reader, rooms} from "@app/core"
 import {PLATFORM_NAME} from "@app/env"
 import {decodeRelay} from "@app/relays"
 
@@ -134,7 +133,7 @@ export const getPageTitle = ({page, pubkey}: PageTitleContext) => {
   const event = getEventForTitle(routeId, page.params)
 
   if (routeId === "/spaces/[relay]/threads/[id]") {
-    return makeTitle(tagValue(tagSpec("title"), event?.tags || []) || "Thread")
+    return makeTitle((event && reader(Thread)(event).title()) || "Thread")
   }
 
   if (routeId === "/spaces/[relay]/calendar/[address]") {
@@ -142,15 +141,15 @@ export const getPageTitle = ({page, pubkey}: PageTitleContext) => {
   }
 
   if (routeId === "/spaces/[relay]/classifieds/[address]") {
-    return makeTitle(tagValue(tagSpec("title"), event?.tags || []) || "Listing")
+    return makeTitle((event && reader(Classified)(event).title()) || "Listing")
   }
 
   if (routeId === "/spaces/[relay]/articles/[address]") {
-    return makeTitle(tagValue(tagSpec("title"), event?.tags || []) || "Article")
+    return makeTitle((event && reader(Article)(event).title()) || "Article")
   }
 
   if (routeId === "/spaces/[relay]/goals/[id]") {
-    return makeTitle(event?.content || tagValue(tagSpec("summary"), event?.tags || []) || "Goal")
+    return makeTitle(event?.content || (event && reader(ZapGoal)(event).summary()) || "Goal")
   }
 
   return makeTitle()
diff --git a/src/routes/spaces/[relay]/threads/+page.svelte b/src/routes/spaces/[relay]/threads/+page.svelte
index b0813c9d..1f29986c 100644
--- a/src/routes/spaces/[relay]/threads/+page.svelte
+++ b/src/routes/spaces/[relay]/threads/+page.svelte
@@ -6,12 +6,14 @@
   import type {Maybe} from "@welshman/lib"
   import type {TrustedEvent} from "@welshman/util"
   import {THREAD, tagValue, tagSpec} from "@welshman/util"
+  import {Thread} from "@welshman/domain"
   import NotesMinimalistic from "@assets/icons/notes-minimalistic.svg?dataurl"
   import Icon from "@lib/components/Icon.svelte"
   import PageContent from "@lib/components/PageContent.svelte"
   import Spinner from "@lib/components/Spinner.svelte"
   import SpaceBar from "@app/components/SpaceBar.svelte"
   import ThreadBoard from "@app/components/ThreadBoard.svelte"
+  import {reader} from "@app/core"
   import {decodeRelay} from "@app/relays"
   import {displayRoom} from "@app/rooms"
   import {makeCommentFilter} from "@app/content"
@@ -46,7 +48,7 @@
 
     const items = sortBy(e => -max([...(scores.get(e.id) || []), e.created_at]), threads)
 
-    const grouped = groupBy(e => tagValue(tagSpec("h"), e.tags) || "", items)
+    const grouped = groupBy(e => reader(Thread)(e).room() || "", items)
     const byRoom = new Map<string, TrustedEvent[]>([["", []], ...grouped])
     const roomName = (h: string) => (h ? displayRoom(url, h) : "general").toLowerCase()
     const boards = sortBy(([h]) => roomName(h), Array.from(byRoom.entries()))