diff --git a/changelog.d/2622.fixed.md b/changelog.d/2622.fixed.md
new file mode 100644
index 000000000..1bad5b828
--- /dev/null
+++ b/changelog.d/2622.fixed.md
@@ -0,0 +1 @@
+Renaming a Bot now moves the DSH Session title before the stored record, so a refused title write leaves the Bot, its group chats and `state.json` under the old name instead of showing the new one until a restart silently reverts it ([#2622](https://github.com/ThinkFlowLab/FlyBot/issues/2622)).
diff --git a/core/src/host/roster.js b/core/src/host/roster.js
index cbcc8d086..cc1558c5a 100644
--- a/core/src/host/roster.js
+++ b/core/src/host/roster.js
@@ -196,9 +196,11 @@ export function install(rt) {
       // A name saved before the rule stays usable until it changes.
       const problem = next === bot.name ? undefined : nameProblem(next)
       if (problem !== undefined) throw new Error(problem)
-      bot.name = next
+      // The title write is the one step here that can refuse, so the record moves only after
+      // it has: a refused rename leaves the Bot, its rooms and the store as they were (#2622).
       const agent = await rt.resolveAgent(rt.chatOf(id))
       await ctx.sessionTitle.rename(agent.session, next)
+      bot.name = next
       await followMemberNames(Object.values(state.rooms).filter(room => room.members.includes(id)))
     }
     if (patch.role !== undefined) bot.role = cut(String(patch.role).trim(), 24).text
diff --git a/core/test/roster.test.js b/core/test/roster.test.js
index dcb3dbb42..5d006046c 100644
--- a/core/test/roster.test.js
+++ b/core/test/roster.test.js
@@ -186,6 +186,41 @@ test('a name and a role stop their bound before a split surrogate pair', async (
   bounded(saved.role, reRole, 24)
 })
 
+// #2622: the record must not move before the Session title write does. A refused rename used to
+// leave the live team renamed while the store still held the old name, and a restart reverted it.
+test('a refused Session rename leaves the Bot under its old name, in the team and on disk', async (t) => {
+  const { call, stop, home, ctx, rt } = start(undefined, { models: ['deepseek-v4-flash'] })
+  t.after(stop)
+  await call('state', {})
+  const writer = (await call('create-bot', { name: 'Writer' })).value
+  await rt.savesSettled()
+  const titles = []
+  const working = ctx.sessionTitle.rename
+  let refuse = true
+  ctx.sessionTitle.rename = async (session, title) => {
+    titles.push([session, title])
+    if (refuse) throw new Error('EACCES: session rename refused')
+    return working(session, title)
+  }
+  const answer = await call('update-bot', { id: writer.id, name: 'Renamed' })
+  assert.equal(answer.ok, false)
+  await rt.savesSettled()
+  const live = (await call('state', {})).value.bots.find(bot => bot.id === writer.id)
+  assert.equal(live.name, 'Writer', 'the team still lists the old name after a refused rename')
+  const stored = JSON.parse(readFileSync(join(home, 'state.json'), 'utf8')).bots[writer.id]
+  assert.equal(stored.name, 'Writer', 'the store still holds the old name after a refused rename')
+
+  // The same rename goes through once the title write works, and the new name reaches the host.
+  refuse = false
+  titles.length = 0
+  assert.equal((await call('update-bot', { id: writer.id, name: 'Renamed' })).ok, true)
+  await rt.savesSettled()
+  const renamed = (await call('state', {})).value.bots.find(bot => bot.id === writer.id)
+  assert.equal(renamed.name, 'Renamed')
+  assert.equal(JSON.parse(readFileSync(join(home, 'state.json'), 'utf8')).bots[writer.id].name, 'Renamed')
+  assert.deepEqual(titles.map(([, title]) => title), ['Renamed'], 'the host was asked to title the Session with the new name')
+})
+
 // Creation is silent (#645): no path that makes a Bot opens a turn, and only a brief from a
 // Bot that creates one (`create_bot`) becomes instructions. A line typed in the new-Bot card
 // is the user's first request, sent as a turn by the client, never a standing rule.
diff --git a/patches/ds-bot/0002-flybot-api-host.patch b/patches/ds-bot/0002-flybot-api-host.patch
index 83a61cc4b..b36bac15b 100644
--- a/patches/ds-bot/0002-flybot-api-host.patch
+++ b/patches/ds-bot/0002-flybot-api-host.patch
@@ -355,7 +355,7 @@ diff --git a/src/host/roster.js b/src/host/roster.js
      })
    }
  
-@@ -166,7 +166,7 @@ export function install(rt) {
+@@ -166,18 +166,20 @@ export function install(rt) {
      const moving = patch.workDir !== undefined
      const workDir = moving ? await rt.cleanWorkDir(patch.workDir ?? '') : undefined
      if (patch.name !== undefined) {
@@ -364,8 +364,14 @@ diff --git a/src/host/roster.js b/src/host/roster.js
        const clash = rt.findBot(next)
        if (next === '' || (clash && clash.id !== id)) throw new Error(`Name ${next} is not available`)
        // A name saved before the rule stays usable until it changes.
-@@ -177,7 +177,7 @@ export function install(rt) {
+       const problem = next === bot.name ? undefined : nameProblem(next)
+       if (problem !== undefined) throw new Error(problem)
+-      bot.name = next
++      // The title write is the one step here that can refuse, so the record moves only after
++      // it has: a refused rename leaves the Bot, its rooms and the store as they were (#2622).
+       const agent = await rt.resolveAgent(rt.chatOf(id))
        await ctx.sessionTitle.rename(agent.session, next)
++      bot.name = next
        await followMemberNames(Object.values(state.rooms).filter(room => room.members.includes(id)))
      }
 -    if (patch.role !== undefined) bot.role = String(patch.role).trim().slice(0, 24)
@@ -688,7 +694,7 @@ diff --git a/src/host/roster.js b/src/host/roster.js
        next = others.with(at, id)
      } else if (primary) {
        next = [id, ...others]
-@@ -417,14 +417,45 @@ export function install(rt) {
+@@ -417,12 +417,43 @@ export function install(rt) {
      }
      // The sidebar shows every Main Bot, so a hidden Bot would vanish again once demoted.
      if (main) delete bot.hidden
@@ -698,9 +704,9 @@ diff --git a/src/host/roster.js b/src/host/roster.js
 -    }
      state.mainBotIds = next
 +    rt.syncDesignatedChief()
-     await rt.save()
-   }
- 
++    await rt.save()
++  }
++
 +  // #638: retire a Bot instead of deleting it. The tree already reads fields['flybot-tree'].retired:
 +  // adoption skips the record and it no longer counts against maxChildren, while its chat, its parts
 +  // and its memory stay where they are. `hidden` keeps it out of the default Bot list the way the
@@ -731,13 +737,11 @@ diff --git a/src/host/roster.js b/src/host/roster.js
 +      delete state.grants[id]
 +      await rt.reachChanged?.(id)
 +    }
-+    await rt.save()
+     await rt.save()
 +    return { bot, freed }
-+  }
-+
+   }
+ 
    async function deleteBot(id) {
-     const bot = rt.botOf(id)
-     if (bot === undefined) throw new Error('Unknown Bot')
 @@ -434,22 +434,54 @@ export function install(rt) {
      const current = rt.chatOf(id)
      // Questions and exchange turns are kept per Session, so every part of the chat is cleared.
diff --git a/patches/ds-bot/0009-identity-schema.patch b/patches/ds-bot/0009-identity-schema.patch
index 983481b99..8b851b54d 100644
--- a/patches/ds-bot/0009-identity-schema.patch
+++ b/patches/ds-bot/0009-identity-schema.patch
@@ -135,7 +135,7 @@ diff --git a/test/roster.test.js b/test/roster.test.js
  test('a new name must be one "@" can call; a name saved before the rule still saves', async (t) => {
    const { call, stop } = start(undefined, { models: ['deepseek-v4-flash'] })
    t.after(stop)
-@@ -129,85 +129,59 @@ test('a new name must be one "@" can call; a name saved before the rule still sa
+@@ -129,85 +129,94 @@ test('a new name must be one "@" can call; a name saved before the rule still sa
    assert.equal((await call('update-bot', { id: writer.id, name: '新 Writer' })).ok, true)
  })
  
@@ -175,20 +175,10 @@ diff --git a/test/roster.test.js b/test/roster.test.js
 -    if (kind === 'made by a Main Bot') assert.match(text, /Why you exist: Review the team notes\./)
 -  })
 -}
--
--test('a first message from the user is helped with, not replaced by an opening question', async (t) => {
--  const { call, stop, sent } = start(undefined, { models: ['deepseek-v4-flash'] })
 +test('a name and a role stop their bound before a split surrogate pair', async (t) => {
 +  const { call, stop } = start(undefined, { models: ['deepseek-v4-flash'] })
-   t.after(stop)
-   await call('state', {})
--  const brief = 'Review the team notes and list the next tasks.'
--  const bot = (await call('create-bot', { name: 'Writer', brief })).value
--  await until(() => sent.some(entry => entry.sessionId === bot.id))
--  const text = sent.find(entry => entry.sessionId === bot.id).message.content[0].text
--  assert.ok(text.includes(brief))
--  assert.match(text, /then help with it\./)
--  assert.doesNotMatch(text, /\b(?:ask_user(?:_question)?|allowCustom)\b/)
++  t.after(stop)
++  await call('state', {})
 +  const name = `${'a'.repeat(39)}\u{1F600}tail`
 +  const role = `${'b'.repeat(23)}\u{1F600}tail`
 +  const writer = (await call('create-bot', { name, role })).value
@@ -207,6 +197,50 @@ diff --git a/test/roster.test.js b/test/roster.test.js
 +  assert.equal(saved.role, 'd'.repeat(23))
 +  bounded(saved.role, reRole, 24)
 +})
+ 
+-test('a first message from the user is helped with, not replaced by an opening question', async (t) => {
+-  const { call, stop, sent } = start(undefined, { models: ['deepseek-v4-flash'] })
++// #2622: the record must not move before the Session title write does. A refused rename used to
++// leave the live team renamed while the store still held the old name, and a restart reverted it.
++test('a refused Session rename leaves the Bot under its old name, in the team and on disk', async (t) => {
++  const { call, stop, home, ctx, rt } = start(undefined, { models: ['deepseek-v4-flash'] })
+   t.after(stop)
+   await call('state', {})
+-  const brief = 'Review the team notes and list the next tasks.'
+-  const bot = (await call('create-bot', { name: 'Writer', brief })).value
+-  await until(() => sent.some(entry => entry.sessionId === bot.id))
+-  const text = sent.find(entry => entry.sessionId === bot.id).message.content[0].text
+-  assert.ok(text.includes(brief))
+-  assert.match(text, /then help with it\./)
+-  assert.doesNotMatch(text, /\b(?:ask_user(?:_question)?|allowCustom)\b/)
++  const writer = (await call('create-bot', { name: 'Writer' })).value
++  await rt.savesSettled()
++  const titles = []
++  const working = ctx.sessionTitle.rename
++  let refuse = true
++  ctx.sessionTitle.rename = async (session, title) => {
++    titles.push([session, title])
++    if (refuse) throw new Error('EACCES: session rename refused')
++    return working(session, title)
++  }
++  const answer = await call('update-bot', { id: writer.id, name: 'Renamed' })
++  assert.equal(answer.ok, false)
++  await rt.savesSettled()
++  const live = (await call('state', {})).value.bots.find(bot => bot.id === writer.id)
++  assert.equal(live.name, 'Writer', 'the team still lists the old name after a refused rename')
++  const stored = JSON.parse(readFileSync(join(home, 'state.json'), 'utf8')).bots[writer.id]
++  assert.equal(stored.name, 'Writer', 'the store still holds the old name after a refused rename')
++
++  // The same rename goes through once the title write works, and the new name reaches the host.
++  refuse = false
++  titles.length = 0
++  assert.equal((await call('update-bot', { id: writer.id, name: 'Renamed' })).ok, true)
++  await rt.savesSettled()
++  const renamed = (await call('state', {})).value.bots.find(bot => bot.id === writer.id)
++  assert.equal(renamed.name, 'Renamed')
++  assert.equal(JSON.parse(readFileSync(join(home, 'state.json'), 'utf8')).bots[writer.id].name, 'Renamed')
++  assert.deepEqual(titles.map(([, title]) => title), ['Renamed'], 'the host was asked to title the Session with the new name')
++})
 +
 +// Creation is silent (#645): no path that makes a Bot opens a turn, and only a brief from a
 +// Bot that creates one (`create_bot`) becomes instructions. A line typed in the new-Bot card