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WinterGram/docs/superpowers/plans/2026-04-25-clearpeerhistory-openclearhistory-engine-peer.md
isaac d1aa0db537 Postbox -> TelegramEngine waves 46-93 (squashed) 
Squash of 63 commits spanning waves 46-93 (plus interspersed docs commits)
of the gradual Postbox->TelegramEngine consumer-side migration.

Scope: 139 files changed, 2123 insertions(+), 452 deletions(-).

## Themes by wave-block

**Waves 46-58 — Peer field migrations + facade additions**
Foundational EnginePeer convenience init additions (PeerReference, RenderedPeer,
SelectivePrivacyPeer). Multiple `peer: Peer` field migrations across PeerInfo,
ChatList, and SettingsUI components.

**Waves 59-73 — peer field cascade + EnginePeer wrap drops**
Series of single- to two-file peer-field migrations; consumer-side wrap
removal (`EnginePeer(peer)` -> direct EnginePeer use); `as? TelegramUser`
cast conversion to `case let .user(...)` enum match. Wave 64: RenderedPeer
convenience init. Wave 68: SelectivePrivacyPeer convenience init.

**Waves 74-83 — controller-Node bridge cleanup + small migrations**
Wave-71 shadow-pattern cleanup at controller->Node bridges. Migrations of
ChatRecentActionsController.peer (74), PeerInfoMember (75), MentionChatInputPanelItem
(76), PassportUI SecureIdAuthController (77), AccountWithInfo + ShareController
(78), peerInputActivitiesPromise (79), InactiveChannel (80), BlockedPeers (81),
openHashtag resolveSignal (82), NotificationExceptionsList (83).

**Waves 84-90 — TelegramEngine.Resources facade migrations**
Per-method Shape-A/B sweeps converting `<ctx>.account.postbox.mediaBox.X(...)`
to `<ctx>.engine.resources.X(...)`. Wave 90 was a single-commit big sweep:
40 fetchedMediaResource sites in 25 files migrated to engine.resources.fetch
facade in one atomic pass with first-pass-clean build.

Methods covered: storeResourceData, completedResourcePath, cancelInteractiveResourceFetch,
resourceRangesStatus, resourceStatus, fetch (fetchedMediaResource).

**Waves 91-92 — additional type migrations**
Wave 91: ItemListWebsiteItem.peer + RecentSessionsController enum-case payload
+ openWebSession callback Peer? -> EnginePeer?.
Wave 92: ChatListController StateHolder.EntryContext status type
MediaResourceStatus -> EngineMediaResource.FetchStatus.

**Wave 93 — speculative `import Postbox` drop sweep**
Drop import from 7 wave-touched files where it became unused; restore in 5
files where bare PeerId/Message/MediaId/StoryId references escaped the
pre-flight regex. Includes one MediaId(...) -> EngineMedia.Id(...) swap in
InAppPurchaseManager to unlock its import drop.

## Build state

Final state at squash: clean Telegram/Telegram build at debug_sim_arm64.

## Persistent-state notes

- Pre-existing WIP unchanged across the squashed range:
  - build-system/bazel-rules/sourcekit-bazel-bsp submodule marker
  - Untracked: build-system/tulsi/, submodules/TgVoip/, third-party/libx264/

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-25 20:48:15 +04:00

6.1 KiB
Raw Blame History

Wave 54: ClearPeerHistory.init + openClearHistory chatPeer: Peer → EnginePeer

For agentic workers: REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task.

Goal: Migrate the chatPeer: parameter type on both ClearPeerHistory.init and openClearHistory from Peer to EnginePeer. Closes wave-53's deferred sibling.

Wave shape: Bundled method-signature migration (familiar from waves 41/44/47/50/53). Mechanical as?/is cluster on a single field, with EnginePeer.init boundary lifts at each call site.

Tech Stack: Swift, Bazel, Make.py.

Pre-Flight Inventory (validated 2026-04-25)

2 files modified, 16 edits.

File 1: submodules/TelegramUI/Components/PeerInfo/PeerInfoScreen/Sources/PeerInfoScreen.swift (PIS)

Line Current After Note
3213 func openClearHistory(... peer: Peer, chatPeer: Peer) { ... chatPeer: EnginePeer) type-site
3230 EnginePeer(chatPeer).compactDisplayTitle chatPeer.compactDisplayTitle drop wrap
3232 EnginePeer(chatPeer).compactDisplayTitle chatPeer.compactDisplayTitle drop wrap
3251 EnginePeer(chatPeer).compactDisplayTitle chatPeer.compactDisplayTitle drop wrap
3269 EnginePeer(chatPeer).compactDisplayTitle chatPeer.compactDisplayTitle drop wrap
7416 init(... peer: Peer, chatPeer: Peer, cachedData: ...) ... chatPeer: EnginePeer, cachedData: ... type-site
7421 } else if chatPeer is TelegramSecretChat { } else if case .secretChat = chatPeer { conversion
7425 } else if let group = chatPeer as? TelegramGroup { } else if case let .legacyGroup(group) = chatPeer { conversion
7436 } else if let channel = chatPeer as? TelegramChannel { } else if case let .channel(channel) = chatPeer { conversion
7464 if let user = chatPeer as? TelegramUser, user.botInfo != nil { if case let .user(user) = chatPeer, user.botInfo != nil { conversion

peer: parameter stays Peer-typed in both functions: openClearHistory doesn't reference peer in its body; ClearPeerHistory.init uses only peer.id == context.account.peerId (line 7417), which works on Peer (and would also work on EnginePeer, but migrating it would require 6 boundary lifts at PISPBA call sites for no internal benefit).

File 2: submodules/TelegramUI/Components/PeerInfo/PeerInfoScreen/Sources/PeerInfoScreenPerformButtonAction.swift (PISPBA)

Line Current After Note
851 chatPeer: chatPeer._asPeer() chatPeer: chatPeer drop wave-53 ADD
857 chatPeer: user chatPeer: EnginePeer(user) boundary lift (TelegramUser)
1067 chatPeer: channel chatPeer: EnginePeer(channel) boundary lift (TelegramChannel)
1073 chatPeer: channel chatPeer: EnginePeer(channel) boundary lift (TelegramChannel)
1234 chatPeer: group chatPeer: EnginePeer(group) boundary lift (TelegramGroup)
1240 chatPeer: group chatPeer: EnginePeer(group) boundary lift (TelegramGroup)

Net accounting

  • Drops: 5 (4 EnginePeer(chatPeer).compactDisplayTitle + 1 _asPeer() bridge from wave 53).
  • Adds: 5 boundary lifts (5 EnginePeer(...) wraps at PISPBA call sites).
  • Conversions: 4 (is/as? → case let).
  • Type-site: 2 (signature changes on PIS:3213 and PIS:7416).

Net internal-bridge progress: 5 drops − 5 adds = 0 raw count. But ratchet kills 4 internal display-call wraps (EnginePeer(chatPeer).compactDisplayTitle patterns) which is the hot path; only call-site boundary lifts remain. Closes wave-53's deferred ADD at PISPBA:851.

Tasks

Task 1: PIS signature edits + body wrap drops

  • Step 1: Edit openClearHistory signature at PIS:3213

Replace peer: Peer, chatPeer: Peer) with peer: Peer, chatPeer: EnginePeer).

  • Step 2: Drop 4 EnginePeer(chatPeer).compactDisplayTitle wraps

replace_all=true of EnginePeer(chatPeer).compactDisplayTitle → chatPeer.compactDisplayTitle. (Only 4 occurrences in the file, all in openClearHistory body; verified by grep.)

  • Step 3: Edit ClearPeerHistory.init signature at PIS:7416

Replace peer: Peer, chatPeer: Peer, cachedData: with peer: Peer, chatPeer: EnginePeer, cachedData:.

  • Step 4: Convert PIS:7421 is TelegramSecretChat

Replace } else if chatPeer is TelegramSecretChat { with } else if case .secretChat = chatPeer {.

  • Step 5: Convert PIS:7425 as? TelegramGroup

Replace } else if let group = chatPeer as? TelegramGroup { with } else if case let .legacyGroup(group) = chatPeer {.

  • Step 6: Convert PIS:7436 as? TelegramChannel

Replace } else if let channel = chatPeer as? TelegramChannel { with } else if case let .channel(channel) = chatPeer {.

  • Step 7: Convert PIS:7464 as? TelegramUser

Replace if let user = chatPeer as? TelegramUser, user.botInfo != nil { with if case let .user(user) = chatPeer, user.botInfo != nil {.

Task 2: PISPBA call-site lifts + bridge drop

  • Step 1: Drop wave-53 _asPeer() bridge at PISPBA:851

Replace chatPeer: chatPeer._asPeer() with chatPeer: chatPeer.

  • Step 2: Lift PISPBA:857 chatPeer: user

Replace peer: user, chatPeer: user) with peer: user, chatPeer: EnginePeer(user)).

  • Step 3: Lift channel call sites (PISPBA:1067 + 1073)

replace_all=true of chatPeer: channel → chatPeer: EnginePeer(channel). Verify exactly 2 hits flipped.

  • Step 4: Lift group call sites (PISPBA:1234 + 1240)

replace_all=true of chatPeer: group → chatPeer: EnginePeer(group). Verify exactly 2 hits flipped.

Task 3: Build verification

  • Step 1: Run full build with --continueOnError.

Forecast 1 iteration. Risk: hidden chatPeer access on Peer-typed shape elsewhere (none expected — body audit complete).

Task 4: Commit + log

  • Step 1: Commit wave with the two file paths explicitly.
  • Step 2: Update docs/superpowers/postbox-refactor-log.md and the memory file.
  • Step 3: Commit log.