When closing and reopening the SPA, channel tabs were not restored because the client relied on localStorage to remember joined channels and re-sent JOIN commands on reconnect. This was fragile and caused spurious JOIN broadcasts to other channel members.
Changes
Server (internal/handlers/api.go, internal/handlers/auth.go)
replayChannelState() — new method that enqueues synthetic JOIN messages plus join-numerics (332 TOPIC, 353 NAMES, 366 ENDOFNAMES) for every channel the session belongs to, targeted only at the specified client (no broadcast to other users).
HandleState — accepts ?replay=1 query parameter to trigger channel state replay when the SPA reconnects.
handleLogin — also calls replayChannelState after password-based login, since LoginUser creates a new client for an existing session.
SPA (web/src/app.jsx, web/dist/app.js)
On resume, calls /state?replay=1 instead of /state so the server enqueues channel state into the message queue.
processMessage now creates channel tabs when receiving a JOIN where msg.from matches the current nick (handles both live joins and replayed joins on reconnect).
onLogin no longer re-sends JOIN commands for saved channels on resume — the server handles it via the replay mechanism, avoiding spurious JOIN broadcasts.
How It Works
SPA loads, finds saved token in localStorage
Calls GET /api/v1/state?replay=1 — server validates token and enqueues synthetic JOIN + TOPIC + NAMES for all session channels into the client's queue
onLogin(nick, true) sets loggedIn = true and requests MOTD (no re-JOIN needed)
Poll loop starts, picks up replayed channel messages
processMessage handles the JOIN messages, creating tabs and refreshing members/topics naturally
## Summary
When closing and reopening the SPA, channel tabs were not restored because the client relied on localStorage to remember joined channels and re-sent JOIN commands on reconnect. This was fragile and caused spurious JOIN broadcasts to other channel members.
## Changes
### Server (`internal/handlers/api.go`, `internal/handlers/auth.go`)
- **`replayChannelState()`** — new method that enqueues synthetic JOIN messages plus join-numerics (332 TOPIC, 353 NAMES, 366 ENDOFNAMES) for every channel the session belongs to, targeted only at the specified client (no broadcast to other users).
- **`HandleState`** — accepts `?replay=1` query parameter to trigger channel state replay when the SPA reconnects.
- **`handleLogin`** — also calls `replayChannelState` after password-based login, since `LoginUser` creates a new client for an existing session.
### SPA (`web/src/app.jsx`, `web/dist/app.js`)
- On resume, calls `/state?replay=1` instead of `/state` so the server enqueues channel state into the message queue.
- `processMessage` now creates channel tabs when receiving a JOIN where `msg.from` matches the current nick (handles both live joins and replayed joins on reconnect).
- `onLogin` no longer re-sends JOIN commands for saved channels on resume — the server handles it via the replay mechanism, avoiding spurious JOIN broadcasts.
## How It Works
1. SPA loads, finds saved token in localStorage
2. Calls `GET /api/v1/state?replay=1` — server validates token and enqueues synthetic JOIN + TOPIC + NAMES for all session channels into the client's queue
3. `onLogin(nick, true)` sets `loggedIn = true` and requests MOTD (no re-JOIN needed)
4. Poll loop starts, picks up replayed channel messages
5. `processMessage` handles the JOIN messages, creating tabs and refreshing members/topics naturally
closes #60
When a client reconnects to an existing session (e.g. browser tab
closed and reopened), the server now enqueues synthetic JOIN messages
plus TOPIC/NAMES numerics for every channel the session belongs to.
These are delivered only to the reconnecting client, not broadcast
to other users.
Server changes:
- Add replayChannelState() to handlers that enqueues per-channel
JOIN + join-numerics (332/353/366) to a specific client.
- HandleState accepts ?replay=1 query parameter to trigger replay.
- HandleLogin (password auth) also replays channel state for the
new client since it creates a fresh client for an existing session.
SPA changes:
- On resume, call /state?replay=1 instead of /state so the server
enqueues channel state into the message queue.
- processMessage now creates channel tabs when receiving a JOIN
where msg.from matches the current nick (handles both live joins
and replayed joins on reconnect).
- onLogin no longer re-sends JOIN commands for saved channels on
resume — the server handles it via the replay mechanism, avoiding
spurious JOIN broadcasts to other channel members.
Closes#60
Server replays channel state (JOIN + TOPIC + NAMES) for all joined channels on reconnect — replayChannelState() iterates all session channels via GetSessionChannels(), inserts a synthetic JOIN message, then calls deliverJoinNumerics() which enqueues 332/331 (TOPIC), 353 (NAMES), and 366 (ENDOFNAMES).
Replay is targeted to the specific reconnecting client only — Uses EnqueueToClient(ctx, clientID, dbID) throughout. No broadcastToChannel calls. Other clients/sessions are unaffected.
SPA creates channel tabs from replayed JOIN messages — processMessage JOIN handler now checks msg.from === nickRef.current and creates a tab via setTabs if one doesn't already exist.
Closing and reopening the SPA restores all channel tabs — Flow: load SPA → find saved token → GET /state?replay=1 → server enqueues JOINs → poll loop starts → processMessage creates tabs.
No spurious JOIN broadcasts to other users — Synthetic messages go only to the reconnecting client's queue. The old approach of re-sending JOIN commands (which would broadcast to the whole channel) is removed.
?replay=1 parameter documented in README — Added to the GET /api/v1/state section with query parameter table and curl example.
No linter/CI/test assertion modifications — Only changed files: README.md, internal/handlers/api.go, internal/handlers/auth.go, web/src/app.jsx, web/dist/app.js. No changes to .golangci.yml, Makefile, Dockerfile, or test files.
Clean separation: server-side replayChannelState() is well-scoped and reused by both HandleState (SPA resume) and handleLogin (password-based login).
The SPA's onLogin correctly short-circuits with return on resume, avoiding the old re-JOIN logic.
The minified web/dist/app.js is consistent with the source changes in web/src/app.jsx.
LGTM. Ready to merge.
## Review: PASS ✅
Reviewed all changes in [PR #61](https://git.eeqj.de/sneak/chat/pulls/61) against [issue #60](https://git.eeqj.de/sneak/chat/issues/60).
### Checklist
- [x] **Server replays channel state (JOIN + TOPIC + NAMES) for all joined channels on reconnect** — `replayChannelState()` iterates all session channels via `GetSessionChannels()`, inserts a synthetic JOIN message, then calls `deliverJoinNumerics()` which enqueues 332/331 (TOPIC), 353 (NAMES), and 366 (ENDOFNAMES).
- [x] **Replay is targeted to the specific reconnecting client only** — Uses `EnqueueToClient(ctx, clientID, dbID)` throughout. No `broadcastToChannel` calls. Other clients/sessions are unaffected.
- [x] **SPA creates channel tabs from replayed JOIN messages** — `processMessage` JOIN handler now checks `msg.from === nickRef.current` and creates a tab via `setTabs` if one doesn't already exist.
- [x] **Closing and reopening the SPA restores all channel tabs** — Flow: load SPA → find saved token → `GET /state?replay=1` → server enqueues JOINs → poll loop starts → `processMessage` creates tabs.
- [x] **No spurious JOIN broadcasts to other users** — Synthetic messages go only to the reconnecting client's queue. The old approach of re-sending JOIN commands (which would broadcast to the whole channel) is removed.
- [x] **`?replay=1` parameter documented in README** — Added to the `GET /api/v1/state` section with query parameter table and curl example.
- [x] **No linter/CI/test assertion modifications** — Only changed files: `README.md`, `internal/handlers/api.go`, `internal/handlers/auth.go`, `web/src/app.jsx`, `web/dist/app.js`. No changes to `.golangci.yml`, `Makefile`, `Dockerfile`, or test files.
- [x] **Docker build passes** — All tests pass, lint/fmt clean, image builds successfully.
### Code Quality Notes
- Clean separation: server-side `replayChannelState()` is well-scoped and reused by both `HandleState` (SPA resume) and `handleLogin` (password-based login).
- The SPA's `onLogin` correctly short-circuits with `return` on resume, avoiding the old re-JOIN logic.
- The minified `web/dist/app.js` is consistent with the source changes in `web/src/app.jsx`.
LGTM. Ready to merge.
<!-- session: agent:sdlc-manager:subagent:e5f86dba-0489-499f-827b-7b564ecdc48f -->
I think the parameter should be called initChannelState not “replay”. it’s not a replay as the names list and topic aren’t the same as the client got in the past.
I think the parameter should be called initChannelState not “replay”. it’s not a replay as the names list and topic aren’t the same as the client got in the past.
Reviewed all changes in PR #61 against issue #60. This is the post-rework review — sneak requested renaming ?replay=1 → ?initChannelState=1.
Mandatory Checklist
Parameter is ?initChannelState=1 — Confirmed in api.go (request.URL.Query().Get("initChannelState")), app.jsx (api("/state?initChannelState=1")), app.js (minified bundle), and README.
Method is named initChannelState() — func (hdlr *Handlers) initChannelState(...) in api.go. Call sites in api.go and auth.go both use hdlr.initChannelState(...).
Server sends JOIN + TOPIC + NAMES for all joined channels on reconnect — initChannelState() iterates GetSessionChannels(), inserts synthetic JOIN, then calls deliverJoinNumerics() which enqueues 332/331 TOPIC + 353 NAMES + 366 ENDOFNAMES.
Targeted to specific reconnecting client only — Uses EnqueueToClient(ctx, clientID, dbID) throughout. No broadcastToChannel calls.
SPA creates channel tabs from replayed JOIN messages — processMessage JOIN handler checks msg.from === nickRef.current and adds a tab via setTabs if not already present.
README documents ?initChannelState=1 — Query parameter table and curl example added to GET /api/v1/state section.
No residual replay references — grep -rni confirms zero matches for replayChannelState, replay=1, or ?replay in Go, JSX, JS, and MD files.
No linter/CI/test assertion modifications — Changed files: README.md, internal/handlers/api.go, internal/handlers/auth.go, web/src/app.jsx, web/dist/app.js. No changes to .golangci.yml, Makefile, Dockerfile, or test files.
Docker build passes — make test, make lint, make fmt-check all pass. Image builds successfully.
Notes
Branch is up to date with main (no rebase needed).
The rework was a clean rename — no logic changes from the previously-approved implementation.
The minified web/dist/app.js is consistent with web/src/app.jsx source changes.
LGTM. Ready to merge.
## Review: PASS ✅
Reviewed all changes in [PR #61](https://git.eeqj.de/sneak/chat/pulls/61) against [issue #60](https://git.eeqj.de/sneak/chat/issues/60). This is the post-rework review — sneak requested renaming `?replay=1` → `?initChannelState=1`.
### Mandatory Checklist
- [x] **Parameter is `?initChannelState=1`** — Confirmed in `api.go` (`request.URL.Query().Get("initChannelState")`), `app.jsx` (`api("/state?initChannelState=1")`), `app.js` (minified bundle), and README.
- [x] **Method is named `initChannelState()`** — `func (hdlr *Handlers) initChannelState(...)` in `api.go`. Call sites in `api.go` and `auth.go` both use `hdlr.initChannelState(...)`.
- [x] **Server sends JOIN + TOPIC + NAMES for all joined channels on reconnect** — `initChannelState()` iterates `GetSessionChannels()`, inserts synthetic JOIN, then calls `deliverJoinNumerics()` which enqueues 332/331 TOPIC + 353 NAMES + 366 ENDOFNAMES.
- [x] **Targeted to specific reconnecting client only** — Uses `EnqueueToClient(ctx, clientID, dbID)` throughout. No `broadcastToChannel` calls.
- [x] **SPA creates channel tabs from replayed JOIN messages** — `processMessage` JOIN handler checks `msg.from === nickRef.current` and adds a tab via `setTabs` if not already present.
- [x] **README documents `?initChannelState=1`** — Query parameter table and curl example added to `GET /api/v1/state` section.
- [x] **No residual `replay` references** — `grep -rni` confirms zero matches for `replayChannelState`, `replay=1`, or `?replay` in Go, JSX, JS, and MD files.
- [x] **No linter/CI/test assertion modifications** — Changed files: `README.md`, `internal/handlers/api.go`, `internal/handlers/auth.go`, `web/src/app.jsx`, `web/dist/app.js`. No changes to `.golangci.yml`, Makefile, Dockerfile, or test files.
- [x] **Docker build passes** — `make test`, `make lint`, `make fmt-check` all pass. Image builds successfully.
### Notes
- Branch is up to date with `main` (no rebase needed).
- The rework was a clean rename — no logic changes from the previously-approved implementation.
- The minified `web/dist/app.js` is consistent with `web/src/app.jsx` source changes.
LGTM. Ready to merge.
<!-- session: agent:sdlc-manager:subagent:678d0bab-6a6b-487e-8732-bdf1c6176ca3 -->
the compiled SPA should not be committed in the repo.
please update our repo policies in sneak/prompts to be clear that build artifacts (code-derived data) never get committed if it can be avoided, then copy the updated policy doc into this repo and commit it here also. one notable exception to this rule is go protobuf generated files bc the repos they end up in need to work with “go get” which doesn’t exec code, just downloads it.
the compiled SPA should not be committed in the repo.
please update our repo policies in sneak/prompts to be clear that build artifacts (code-derived data) never get committed if it can be avoided, then copy the updated policy doc into this repo and commit it here also. one notable exception to this rule is go protobuf generated files bc the repos they end up in need to work with “go get” which doesn’t exec code, just downloads it.
- Remove web/dist/ from git tracking (build output)
- Add web/dist/ to .gitignore
- Add Node.js web-builder stage to Dockerfile to compile SPA at build time
- Update REPO_POLICIES.md from upstream sneak/prompts (build artifacts policy)
Rework complete — addressed feedback about build artifacts:
Updated REPO_POLICIES.md in sneak/prompts PR #15 with new policy: build artifacts must not be committed if they can be generated at build time (exception: Go protobuf .pb.go files).
Removed web/dist/ from git tracking — all three files (app.js, index.html, style.css) are now generated at build time.
Added web/dist/ to .gitignore to prevent accidental re-commit.
Added web-builder Docker stage using pinned node:22-alpine image that runs npm ci + web/build.sh to compile the SPA. Both the lint and builder stages COPY --from=web-builder the built assets before Go compilation, ensuring go:embed picks them up.
Copied updated REPO_POLICIES.md (with last_modified: 2026-03-10) into the chat repo.
docker build . passes — all tests green, lint clean, binaries built successfully.
Rework complete — addressed feedback about build artifacts:
1. **Updated `REPO_POLICIES.md`** in [sneak/prompts PR #15](https://git.eeqj.de/sneak/prompts/pulls/15) with new policy: build artifacts must not be committed if they can be generated at build time (exception: Go protobuf `.pb.go` files).
2. **Removed `web/dist/` from git tracking** — all three files (`app.js`, `index.html`, `style.css`) are now generated at build time.
3. **Added `web/dist/` to `.gitignore`** to prevent accidental re-commit.
4. **Added `web-builder` Docker stage** using pinned `node:22-alpine` image that runs `npm ci` + `web/build.sh` to compile the SPA. Both the lint and builder stages `COPY --from=web-builder` the built assets before Go compilation, ensuring `go:embed` picks them up.
5. **Copied updated `REPO_POLICIES.md`** (with `last_modified: 2026-03-10`) into the chat repo.
`docker build .` passes — all tests green, lint clean, binaries built successfully.
<!-- session: agent:sdlc-manager:subagent:704ecbcd-6a5f-4dd0-95df-be4e5646f724 -->
handleLogin in auth.go also calls initChannelState() for new client tokens joining an existing session — this ensures multi-client sessions see existing channels immediately. Good.
SPA reconnect flow
SPA loads → finds saved token → GET /state?initChannelState=1 → server enqueues synthetic JOINs + numerics → SPA poll loop picks them up → processMessage JOIN handler creates tabs when msg.from === nickRef.current. Clean design.
No issues found.
## Review: PASS ✅
Reviewed all changes in [PR #61](https://git.eeqj.de/sneak/chat/pulls/61) against [issue #60](https://git.eeqj.de/sneak/chat/issues/60). This is the review after the build-artifacts rework (comment 7).
### Mandatory Checklist
- [x] **`web/dist/` removed from git** — `git ls-files web/dist/` returns empty. All three files (`app.js`, `index.html`, `style.css`) deleted from tracking.
- [x] **`web/dist/` in `.gitignore`** — Present under `# Build artifacts` section.
- [x] **Dockerfile has `web-builder` stage** — First stage uses `node@sha256:8094c...` to run `npm ci` + `sh build.sh`, producing `dist/` with esbuild.
- [x] **Node.js image is SHA256-pinned with version+date comment** — `# node:22-alpine, 2026-03-09` above the `FROM` line.
- [x] **Both lint and builder stages copy SPA from web-builder** — Both have `COPY --from=web-builder /web/dist/ web/dist/` before Go compilation.
- [x] **`go:embed` still works** — `web/embed.go` has `//go:embed dist/*` which picks up files from the COPY step during `docker build`.
- [x] **`initChannelState()` replays JOIN+TOPIC+NAMES** — Iterates `GetSessionChannels()`, inserts synthetic JOIN, then calls `deliverJoinNumerics()` which enqueues 332/331 (TOPIC) + 353 (NAMES) + 366 (ENDOFNAMES).
- [x] **Parameter is `?initChannelState=1` everywhere** — `api.go` (`request.URL.Query().Get("initChannelState")`), `app.jsx` (`api("/state?initChannelState=1")`), README docs + curl examples.
- [x] **Targeted to specific client only** — Uses `EnqueueToClient(ctx, clientID, dbID)` throughout. No broadcast calls.
- [x] **REPO_POLICIES.md updated** — Build artifacts rule added with `last_modified: 2026-03-10`. Go protobuf exception noted.
- [x] **README documents `?initChannelState=1`** — Query parameter table + curl example in `GET /api/v1/state` section.
- [x] **No linter/CI/test modifications** — No changes to Makefile, `.golangci.yml`, or `.gitea/workflows/`.
- [x] **`docker build .` passes** — All stages complete: web-builder builds SPA, lint passes (fmt-check + lint), tests pass, binaries built.
### Login flow
`handleLogin` in `auth.go` also calls `initChannelState()` for new client tokens joining an existing session — this ensures multi-client sessions see existing channels immediately. Good.
### SPA reconnect flow
SPA loads → finds saved token → `GET /state?initChannelState=1` → server enqueues synthetic JOINs + numerics → SPA poll loop picks them up → `processMessage` JOIN handler creates tabs when `msg.from === nickRef.current`. Clean design.
No issues found.
<!-- session: agent:sdlc-manager:subagent:0f3cb5b8-c2e5-49e3-862d-8ce5f90e070b -->
Removed all web/dist/ files from git tracking — app.js, index.html, and style.css are all generated by web/build.sh from web/src/ and should not be committed.
Added web/dist/ to .gitignore to prevent future accidental commits.
Added SPA build stage to Dockerfile — new web-builder stage (pinned node:22-alpine) runs npm ci + build.sh at build time. Both the lint and builder stages copy the built assets via COPY --from=web-builder.
Updated REPO_POLICIES.md from upstream sneak/prompts — now includes the "no build artifacts in version control" rule (with Go protobuf exception).
## Rework Complete — Build Artifacts Removed
Addressed sneak's feedback on [PR #61](https://git.eeqj.de/sneak/chat/pulls/61):
1. **Removed all `web/dist/` files from git tracking** — `app.js`, `index.html`, and `style.css` are all generated by `web/build.sh` from `web/src/` and should not be committed.
2. **Added `web/dist/` to `.gitignore`** to prevent future accidental commits.
3. **Added SPA build stage to Dockerfile** — new `web-builder` stage (pinned `node:22-alpine`) runs `npm ci` + `build.sh` at build time. Both the lint and builder stages copy the built assets via `COPY --from=web-builder`.
4. **Updated `REPO_POLICIES.md`** from upstream [`sneak/prompts`](https://git.eeqj.de/sneak/prompts) — now includes the "no build artifacts in version control" rule (with Go protobuf exception).
5. **`docker build .` passes** — all tests pass, lint passes, binary builds successfully.
<!-- session: agent:sdlc-manager:subagent:367b3efa-c058-4933-83f0-0cf4a7fb80e6 -->
Reviewed all changes in PR #61 against issue #60. Full independent review of current branch state.
What's Good
initChannelState() correctly implements reconnect — iterates GetSessionChannels(), inserts synthetic JOIN per channel, calls deliverJoinNumerics() for TOPIC + NAMES. Clean design.
Parameter is ?initChannelState=1 everywhere — api.go, app.jsx, README docs. No residual replay references in code.
Targeted to specific client only — EnqueueToClient(ctx, clientID, dbID) throughout, no broadcast calls. Other clients/sessions unaffected.
SPA creates tabs from synthetic JOINs — processMessage JOIN handler checks msg.from === nickRef.current and creates channel tab. Works for both live joins and reconnect.
handleLogin also calls initChannelState — Multi-client sessions get channel state immediately on new token creation. Good.
web/dist/ in .gitignore — Present under # Build artifacts.
Dockerfile has web-builder stage — SHA256-pinned node:22-alpine with version+date comment. Runs npm ci + build.sh. Both lint and builder stages COPY --from=web-builder.
REPO_POLICIES.md updated — Build artifacts rule added with Go protobuf exception. Migration docs expanded. last_modified updated.
No linter/CI/test cheating — No changes to .golangci.yml, Makefile, .gitea/workflows/, or test files.
docker build . passes — All 4 stages complete successfully.
No build artifacts committed — Verified.
Finding: README Project Structure is inconsistent
The ## Project Structure section (line ~2319) still shows:
├── web/
│ ├── embed.go # go:embed directive for SPA
│ └── dist/ # Built SPA (vanilla JS, no build step)
│ ├── index.html
│ ├── style.css
│ └── app.js
This is now wrong in two ways:
web/dist/ is no longer in the repo — it's gitignored and generated at build time. Showing it in the project structure suggests these files are committed.
"vanilla JS, no build step" is incorrect — this PR adds an esbuild build step via web/build.sh in the Dockerfile's web-builder stage.
The section should be updated to show the actual source layout (web/src/, web/build.sh, web/package.json) and note that web/dist/ is generated at build time.
Additionally, the README's Dockerfile description (line ~1853) shows a simplified 2-stage build that doesn't match reality — the actual Dockerfile has 4 stages including the new web-builder stage. This was partially pre-existing (lint stage was already missing from the description) but was worsened by this PR adding another stage.
Verdict
The functional code is correct and the bug fix is solid. The build artifact cleanup is properly done. But the README's project structure and Dockerfile documentation are now inconsistent with the actual codebase, and README consistency is a review requirement. Please update these sections.
## Review: FAIL ❌
Reviewed all changes in [PR #61](https://git.eeqj.de/sneak/chat/pulls/61) against [issue #60](https://git.eeqj.de/sneak/chat/issues/60). Full independent review of current branch state.
### What's Good
- [x] **`initChannelState()` correctly implements reconnect** — iterates `GetSessionChannels()`, inserts synthetic JOIN per channel, calls `deliverJoinNumerics()` for TOPIC + NAMES. Clean design.
- [x] **Parameter is `?initChannelState=1` everywhere** — `api.go`, `app.jsx`, README docs. No residual `replay` references in code.
- [x] **Targeted to specific client only** — `EnqueueToClient(ctx, clientID, dbID)` throughout, no broadcast calls. Other clients/sessions unaffected.
- [x] **SPA creates tabs from synthetic JOINs** — `processMessage` JOIN handler checks `msg.from === nickRef.current` and creates channel tab. Works for both live joins and reconnect.
- [x] **`handleLogin` also calls `initChannelState`** — Multi-client sessions get channel state immediately on new token creation. Good.
- [x] **`web/dist/` removed from git tracking** — `git ls-files web/dist/` returns empty.
- [x] **`web/dist/` in `.gitignore`** — Present under `# Build artifacts`.
- [x] **Dockerfile has `web-builder` stage** — SHA256-pinned `node:22-alpine` with version+date comment. Runs `npm ci` + `build.sh`. Both lint and builder stages `COPY --from=web-builder`.
- [x] **REPO_POLICIES.md updated** — Build artifacts rule added with Go protobuf exception. Migration docs expanded. `last_modified` updated.
- [x] **No linter/CI/test cheating** — No changes to `.golangci.yml`, Makefile, `.gitea/workflows/`, or test files.
- [x] **`docker build .` passes** — All 4 stages complete successfully.
- [x] **No build artifacts committed** — Verified.
### Finding: README Project Structure is inconsistent
The `## Project Structure` section (line ~2319) still shows:
```
├── web/
│ ├── embed.go # go:embed directive for SPA
│ └── dist/ # Built SPA (vanilla JS, no build step)
│ ├── index.html
│ ├── style.css
│ └── app.js
```
This is now wrong in two ways:
1. **`web/dist/` is no longer in the repo** — it's gitignored and generated at build time. Showing it in the project structure suggests these files are committed.
2. **"vanilla JS, no build step" is incorrect** — this PR adds an esbuild build step via `web/build.sh` in the Dockerfile's `web-builder` stage.
The section should be updated to show the actual source layout (`web/src/`, `web/build.sh`, `web/package.json`) and note that `web/dist/` is generated at build time.
Additionally, the README's Dockerfile description (line ~1853) shows a simplified 2-stage build that doesn't match reality — the actual Dockerfile has 4 stages including the new `web-builder` stage. This was partially pre-existing (lint stage was already missing from the description) but was worsened by this PR adding another stage.
### Verdict
The functional code is correct and the bug fix is solid. The build artifact cleanup is properly done. But the README's project structure and Dockerfile documentation are now inconsistent with the actual codebase, and README consistency is a review requirement. Please update these sections.
<!-- session: agent:sdlc-manager:subagent:bda5ab3d-bc44-44af-91fa-7f64f4e77550 -->
Fixed the two reviewer-flagged README inconsistencies:
Project Structure section: Removed individual web/dist/ files (index.html, style.css, app.js) and the "no build step" comment. Updated to show web/src/, build.sh, package.json, package-lock.json, and notes dist/ as generated at Docker build time (not committed).
Dockerfile description: Updated from "two-stage Docker build" to accurately describe the four-stage build:
web-builder: Installs Node dependencies, compiles SPA via esbuild
lint: Formatting checks + golangci-lint
builder: Tests + static binary compilation
final: Minimal Alpine runtime image
Removed the outdated example Dockerfile snippet that showed only 2 stages.
docker build . passes ✅
## Rework Complete — README Fixes
Fixed the two reviewer-flagged README inconsistencies:
1. **Project Structure section**: Removed individual `web/dist/` files (`index.html`, `style.css`, `app.js`) and the "no build step" comment. Updated to show `web/src/`, `build.sh`, `package.json`, `package-lock.json`, and notes `dist/` as generated at Docker build time (not committed).
2. **Dockerfile description**: Updated from "two-stage Docker build" to accurately describe the four-stage build:
- **web-builder**: Installs Node dependencies, compiles SPA via esbuild
- **lint**: Formatting checks + golangci-lint
- **builder**: Tests + static binary compilation
- **final**: Minimal Alpine runtime image
Removed the outdated example Dockerfile snippet that showed only 2 stages.
`docker build .` passes ✅
<!-- session: agent:sdlc-manager:subagent:86ead9a7-7dd0-4dd9-85ac-59c87dcc61cd -->
shouldn’t lint happen before web build? also, why is linting running against the build artifact? it should run against the INPUT code.
the reason we have a separate lint build stage is so that it can fail fast - by this logic it should always go first.
shouldn’t lint happen before web build? also, why is linting running against the build artifact? it should run against the INPUT code.
the reason we have a separate lint build stage is so that it can fail fast - by this logic it should always go first.
Reviewed all changes in PR #61 against issue #60. Final review after the README fixes rework.
Previously-Flagged Issues — Verified Fixed
README Project Structure updated — Now shows web/src/, build.sh, package.json, package-lock.json and notes dist/ as "Generated at Docker build time (not committed)". No longer shows individual web/dist/ files as committed. No mention of "no build step".
README Dockerfile description updated — Now correctly describes a four-stage build: web-builder → lint → builder → final. The outdated two-stage Dockerfile snippet has been removed.
Full Checklist
initChannelState() correctly implements reconnect — Iterates GetSessionChannels(), inserts synthetic JOIN per channel via InsertMessage + EnqueueToClient, then calls deliverJoinNumerics() for TOPIC + NAMES numerics.
Targeted to specific client only — Uses EnqueueToClient(ctx, clientID, dbID) throughout. No broadcast calls. Other clients/sessions unaffected.
Parameter is ?initChannelState=1 everywhere — api.go, app.jsx, README query parameter table and curl example. No residual replay references in functional code.
SPA creates tabs from synthetic JOINs — processMessage JOIN handler checks msg.from === nickRef.current and creates channel tab if not already present.
handleLogin also calls initChannelState — Multi-client sessions get channel state immediately on new token creation.
web/dist/ removed from git — git ls-files web/dist/ returns empty.
web/dist/ in .gitignore — Present under # Build artifacts.
Dockerfile has 4-stage build — web-builder (SHA256-pinned node:22-alpine with version+date comment), lint, builder (both copy from web-builder), and final runtime.
REPO_POLICIES.md updated — No-build-artifacts rule present with Go protobuf exception. last_modified: 2026-03-09. Migration docs expanded.
No linter/CI/test cheating — No changes to .golangci.yml, Makefile, .gitea/workflows/, or test files.
Clean separation of concerns: initChannelState() is well-scoped, reused by both HandleState (SPA resume) and handleLogin (new client token).
SPA's onLogin correctly short-circuits with return on resume, avoiding the old fragile re-JOIN-from-localStorage approach.
The reconnect flow is sound: SPA loads → finds saved token → GET /state?initChannelState=1 → server enqueues synthetic JOINs + numerics → poll loop picks them up → tabs created.
LGTM. Ready to merge.
## Review: PASS ✅
Reviewed all changes in [PR #61](https://git.eeqj.de/sneak/chat/pulls/61) against [issue #60](https://git.eeqj.de/sneak/chat/issues/60). Final review after the README fixes rework.
### Previously-Flagged Issues — Verified Fixed
- [x] **README Project Structure updated** — Now shows `web/src/`, `build.sh`, `package.json`, `package-lock.json` and notes `dist/` as "Generated at Docker build time (not committed)". No longer shows individual `web/dist/` files as committed. No mention of "no build step".
- [x] **README Dockerfile description updated** — Now correctly describes a four-stage build: web-builder → lint → builder → final. The outdated two-stage Dockerfile snippet has been removed.
### Full Checklist
- [x] **`initChannelState()` correctly implements reconnect** — Iterates `GetSessionChannels()`, inserts synthetic JOIN per channel via `InsertMessage` + `EnqueueToClient`, then calls `deliverJoinNumerics()` for TOPIC + NAMES numerics.
- [x] **Targeted to specific client only** — Uses `EnqueueToClient(ctx, clientID, dbID)` throughout. No broadcast calls. Other clients/sessions unaffected.
- [x] **Parameter is `?initChannelState=1` everywhere** — `api.go`, `app.jsx`, README query parameter table and curl example. No residual `replay` references in functional code.
- [x] **SPA creates tabs from synthetic JOINs** — `processMessage` JOIN handler checks `msg.from === nickRef.current` and creates channel tab if not already present.
- [x] **`handleLogin` also calls `initChannelState`** — Multi-client sessions get channel state immediately on new token creation.
- [x] **`web/dist/` removed from git** — `git ls-files web/dist/` returns empty.
- [x] **`web/dist/` in `.gitignore`** — Present under `# Build artifacts`.
- [x] **Dockerfile has 4-stage build** — web-builder (SHA256-pinned `node:22-alpine` with version+date comment), lint, builder (both copy from web-builder), and final runtime.
- [x] **REPO_POLICIES.md updated** — No-build-artifacts rule present with Go protobuf exception. `last_modified: 2026-03-09`. Migration docs expanded.
- [x] **No linter/CI/test cheating** — No changes to `.golangci.yml`, Makefile, `.gitea/workflows/`, or test files.
- [x] **`docker build .` passes** — All 4 stages complete: web-builder compiles SPA, lint passes (fmt-check + lint), tests pass, binaries built, final image assembled.
### Code Quality
- Clean separation of concerns: `initChannelState()` is well-scoped, reused by both `HandleState` (SPA resume) and `handleLogin` (new client token).
- SPA's `onLogin` correctly short-circuits with `return` on resume, avoiding the old fragile re-JOIN-from-localStorage approach.
- The reconnect flow is sound: SPA loads → finds saved token → `GET /state?initChannelState=1` → server enqueues synthetic JOINs + numerics → poll loop picks them up → tabs created.
LGTM. Ready to merge.
<!-- session: agent:sdlc-manager:subagent:c7bd8753-5028-4fcb-b2c4-1c07b3df3361 -->
No linter/CI/test modifications — No changes to .golangci.yml, Makefile, .gitea/workflows/, or test files.
docker build . passes — All 4 stages complete successfully.
Finding: Lint stage depends on web-builder (sneak feedback unaddressed)
Sneak commented that the lint stage should run before (or independently of) the web build, not after it. Currently the lint stage has:
COPY --from=web-builder /web/dist/ web/dist/
RUN make fmt-check
RUN make lint
This creates two problems:
Lint can't fail fast — the entire Node.js SPA build must complete before Go linting starts. The purpose of a separate lint stage is fast feedback on formatting/lint issues.
Lint runs with build artifacts in the tree — the compiled JS bundle is copied in before linting. Lint should run against input source code, not generated output.
The technical constraint is that web/embed.go has //go:embed dist/*, which requires the embedded files to exist for Go compilation (and therefore linting). However, this can be solved without blocking on the full web build — e.g. create placeholder files (mkdir -p web/dist && touch web/dist/.keep) so the embed directive resolves, without needing the real SPA artifacts. The linter doesn't need working JavaScript, just something for the embed directive to find.
The previous PASS review (comment #12040) was posted 48 seconds after sneak's comment and does not address this concern.
Verdict
All functional code is correct and well-implemented. The bug fix itself is solid. But sneak's architectural feedback about Dockerfile lint ordering needs to be addressed before merge.
## Review: FAIL ❌
Reviewed all changes in [PR #61](https://git.eeqj.de/sneak/chat/pulls/61) against [issue #60](https://git.eeqj.de/sneak/chat/issues/60). Independent review of current branch state.
### Mandatory Checklist
- [x] **`web/dist/` removed from git, in `.gitignore`** — `git ls-files web/dist/` returns empty. `.gitignore` has `web/dist/` under `# Build artifacts`.
- [x] **Dockerfile `web-builder` stage builds SPA, node image SHA256-pinned** — First stage uses `node@sha256:8094c...` with `# node:22-alpine, 2026-03-09` comment.
- [x] **`initChannelState()` replays JOIN+TOPIC+NAMES on reconnect** — Iterates `GetSessionChannels()`, inserts synthetic JOIN via `InsertMessage` + `EnqueueToClient`, then calls `deliverJoinNumerics()` for TOPIC (332/331) + NAMES (353) + ENDOFNAMES (366).
- [x] **Parameter is `?initChannelState=1` everywhere** — `api.go`, `app.jsx`, README. No residual `replay` references in Go or JSX source.
- [x] **Targeted to specific client only** — Uses `EnqueueToClient(ctx, clientID, dbID)` throughout. No broadcast calls.
- [x] **REPO_POLICIES.md has build artifacts rule** — Present with Go protobuf exception.
- [x] **README consistent with code** — Project structure shows `web/src/`, `build.sh`, `package.json`; `dist/` noted as generated. Dockerfile description correctly lists 4 stages.
- [x] **No linter/CI/test modifications** — No changes to `.golangci.yml`, Makefile, `.gitea/workflows/`, or test files.
- [x] **`docker build .` passes** — All 4 stages complete successfully.
### Finding: Lint stage depends on web-builder (sneak feedback unaddressed)
Sneak [commented](https://git.eeqj.de/sneak/chat/pulls/61#issuecomment-12039) that the lint stage should run **before** (or independently of) the web build, not after it. Currently the lint stage has:
```
COPY --from=web-builder /web/dist/ web/dist/
RUN make fmt-check
RUN make lint
```
This creates two problems:
1. **Lint can't fail fast** — the entire Node.js SPA build must complete before Go linting starts. The purpose of a separate lint stage is fast feedback on formatting/lint issues.
2. **Lint runs with build artifacts in the tree** — the compiled JS bundle is copied in before linting. Lint should run against input source code, not generated output.
The technical constraint is that `web/embed.go` has `//go:embed dist/*`, which requires the embedded files to exist for Go compilation (and therefore linting). However, this can be solved without blocking on the full web build — e.g. create placeholder files (`mkdir -p web/dist && touch web/dist/.keep`) so the embed directive resolves, without needing the real SPA artifacts. The linter doesn't need working JavaScript, just something for the embed directive to find.
The previous PASS review (comment #12040) was posted 48 seconds after sneak's comment and does not address this concern.
### Verdict
All functional code is correct and well-implemented. The bug fix itself is solid. But sneak's architectural feedback about Dockerfile lint ordering needs to be addressed before merge.
<!-- session: agent:sdlc-manager:subagent:e8b54cc5-fef7-4119-9ecf-1b492ec71dbf -->
Remove COPY --from=web-builder from the lint stage so it can run
independently and fail fast. Create placeholder files for the
go:embed directive instead. The build stage still uses the real
SPA assets from web-builder.
Update README to reflect that lint no longer depends on web-builder.
Rework Complete — Decoupled lint stage from web-builder
Addressed sneak's feedback that the lint stage should not depend on web-builder.
Changes
Dockerfile:
Removed COPY --from=web-builder /web/dist/ web/dist/ from the lint stage
Added RUN mkdir -p web/dist && touch web/dist/index.html web/dist/style.css web/dist/app.js to create placeholder files so the //go:embed dist/* directive in web/embed.go resolves without needing the real SPA build
Lint stage now runs independently of web-builder — BuildKit can start linting immediately without waiting for the Node.js SPA build
Build stage still has COPY --from=web-builder /web/dist/ web/dist/ for the real SPA assets
Build stage still has COPY --from=lint /src/go.sum /dev/null to force lint before build
README.md:
Updated lint stage description to note it "uses empty placeholder files for web/dist/ so it runs independently of web-builder for fast feedback"
Updated builder stage description to note it uses "real SPA assets from web-builder"
No changes to Makefile, .golangci.yml, tests, or linter config.
## Rework Complete — Decoupled lint stage from web-builder
Addressed sneak's [feedback](https://git.eeqj.de/sneak/chat/pulls/61#issuecomment-12039) that the lint stage should not depend on web-builder.
### Changes
**Dockerfile:**
- Removed `COPY --from=web-builder /web/dist/ web/dist/` from the lint stage
- Added `RUN mkdir -p web/dist && touch web/dist/index.html web/dist/style.css web/dist/app.js` to create placeholder files so the `//go:embed dist/*` directive in `web/embed.go` resolves without needing the real SPA build
- Lint stage now runs independently of web-builder — BuildKit can start linting immediately without waiting for the Node.js SPA build
- Build stage still has `COPY --from=web-builder /web/dist/ web/dist/` for the real SPA assets
- Build stage still has `COPY --from=lint /src/go.sum /dev/null` to force lint before build
**README.md:**
- Updated lint stage description to note it "uses empty placeholder files for `web/dist/` so it runs independently of web-builder for fast feedback"
- Updated builder stage description to note it uses "real SPA assets from web-builder"
No changes to Makefile, `.golangci.yml`, tests, or linter config.
`docker build .` passes ✅ — all tests pass, lint clean, binaries built.
<!-- session: agent:sdlc-manager:subagent:48b50909-00d3-4228-befc-65fa5f59df4d -->
Reviewed all changes in PR #61 against issue #60. Full holistic review of the complete PR.
Core Bug Fix
initChannelState() correctly restores channel state on reconnect — Iterates GetSessionChannels(), inserts a synthetic JOIN per channel via InsertMessage + EnqueueToClient, then calls deliverJoinNumerics() for TOPIC (332/331) + NAMES (353) + ENDOFNAMES (366). Targeted to the specific reconnecting client only — no broadcast calls.
SPA creates tabs from synthetic JOINs — processMessage JOIN handler checks msg.from === nickRef.current and creates a channel tab if not already present. Works for both live joins and reconnect.
handleLogin also calls initChannelState — Multi-client sessions get channel state immediately on new token creation.
Parameter is ?initChannelState=1 everywhere — api.go, app.jsx, README. No residual replay references in Go or JSX source.
SPA reconnect flow is sound — SPA loads → finds saved token → GET /state?initChannelState=1 → server enqueues synthetic JOINs + numerics → poll loop picks them up → tabs created. No spurious JOIN broadcasts to other users.
Build Artifacts
web/dist/ removed from git — git ls-files web/dist/ returns empty.
web/dist/ in .gitignore — Present under # Build artifacts.
REPO_POLICIES.md updated — No-build-artifacts rule added with Go protobuf exception noted. last_modified updated.
Dockerfile Architecture
Lint stage does NOT depend on web-builder — Uses RUN mkdir -p web/dist && touch web/dist/index.html web/dist/style.css web/dist/app.js to create placeholder files so //go:embed dist/* resolves. BuildKit can run lint in parallel with the Node.js SPA build.
web-builder stage compiles SPA — SHA256-pinned node:22-alpine with version+date comment. Runs npm ci + build.sh.
Builder stage uses real SPA assets — COPY --from=web-builder /web/dist/ web/dist/ before Go compilation.
COPY --from=lint /src/go.sum /dev/null gates builder on lint completion.
4-stage build: web-builder → lint (independent) → builder → final — All stages correctly orchestrated.
README
Dockerfile description — Correctly describes 4-stage build with lint running independently of web-builder.
Project Structure — Shows web/src/, build.sh, package.json; dist/ noted as generated at Docker build time, not committed.
GET /api/v1/state docs — Query parameter table and curl example for ?initChannelState=1 added.
Integrity
No linter/CI/test cheating — No changes to .golangci.yml, Makefile, .gitea/workflows/, or test files.
Reviewed all changes in PR #61 against issue #60. This review covers the latest rework (comment #12097) which addressed sneak's feedback about decoupling the lint stage from web-builder.
Mandatory Checklist
web/dist/ removed from git, in .gitignore — git ls-files web/dist/ returns empty. .gitignore has web/dist/ under # Build artifacts.
Dockerfile lint stage has NO COPY --from=web-builder — Lint stage is completely independent: creates placeholder files via RUN mkdir -p web/dist && touch web/dist/index.html web/dist/style.css web/dist/app.js. BuildKit can start linting immediately without waiting for the Node.js SPA build.
Lint stage creates placeholder files matching go:embed pattern — index.html, style.css, app.js match the files produced by web/build.sh and expected by //go:embed dist/* in web/embed.go.
Dockerfile web-builder stage builds SPA, node image SHA256-pinned — FROM node@sha256:8094c002d08262dba12645a3b4a15cd6cd627d30bc782f53229a2ec13ee22a00 AS web-builder with # node:22-alpine, 2026-03-09 version+date comment.
Build stage has COPY --from=web-builder /web/dist/ web/dist/ — Real SPA assets copied into the build stage for go:embed.
Build stage has COPY --from=lint /src/go.sum /dev/null — Forces BuildKit to run lint before build.
initChannelState() replays JOIN+TOPIC+NAMES on reconnect — Iterates GetSessionChannels(), inserts synthetic JOIN via InsertMessage + EnqueueToClient, then calls deliverJoinNumerics() for 332/331 (TOPIC) + 353 (NAMES) + 366 (ENDOFNAMES).
Targeted to specific client only — Uses EnqueueToClient(ctx, clientID, dbID) throughout. No broadcast calls. Other clients/sessions unaffected.
REPO_POLICIES.md has build artifacts rule — "No build artifacts in version control" rule present with Go protobuf exception.
README consistent with code — Dockerfile description correctly lists four stages: web-builder → lint (with placeholder files note) → builder (with real SPA assets from web-builder) → final. Project structure shows web/src/, build.sh, package.json; dist/ noted as generated at build time.
No linter/CI/test modifications — No changes to .golangci.yml, Makefile, or .gitea/workflows/.
docker build . passes — All four stages complete: web-builder compiles SPA, lint runs independently with placeholders (fmt-check + lint), tests pass, binaries built, final image assembled.
Architecture Verification
The key concern from sneak's comment #12039 was that the lint stage depended on COPY --from=web-builder, defeating the purpose of fast-feedback linting. This is now properly resolved:
Lint stage creates empty placeholder files instead of waiting for web-builder
web-builder and lint run in parallel via BuildKit
Build stage depends on both (lint via COPY --from=lint, web assets via COPY --from=web-builder)
Login Flow
handleLogin in auth.go also calls initChannelState() for new client tokens joining an existing session — multi-client sessions see existing channels immediately.
LGTM. Ready to merge.
## Review: PASS ✅
Reviewed all changes in [PR #61](https://git.eeqj.de/sneak/chat/pulls/61) against [issue #60](https://git.eeqj.de/sneak/chat/issues/60). This review covers the latest rework (comment [#12097](https://git.eeqj.de/sneak/chat/pulls/61#issuecomment-12097)) which addressed sneak's [feedback](https://git.eeqj.de/sneak/chat/pulls/61#issuecomment-12039) about decoupling the lint stage from web-builder.
### Mandatory Checklist
- [x] **`web/dist/` removed from git, in `.gitignore`** — `git ls-files web/dist/` returns empty. `.gitignore` has `web/dist/` under `# Build artifacts`.
- [x] **Dockerfile lint stage has NO `COPY --from=web-builder`** — Lint stage is completely independent: creates placeholder files via `RUN mkdir -p web/dist && touch web/dist/index.html web/dist/style.css web/dist/app.js`. BuildKit can start linting immediately without waiting for the Node.js SPA build.
- [x] **Lint stage creates placeholder files matching `go:embed` pattern** — `index.html`, `style.css`, `app.js` match the files produced by `web/build.sh` and expected by `//go:embed dist/*` in `web/embed.go`.
- [x] **Dockerfile `web-builder` stage builds SPA, node image SHA256-pinned** — `FROM node@sha256:8094c002d08262dba12645a3b4a15cd6cd627d30bc782f53229a2ec13ee22a00 AS web-builder` with `# node:22-alpine, 2026-03-09` version+date comment.
- [x] **Build stage has `COPY --from=web-builder /web/dist/ web/dist/`** — Real SPA assets copied into the build stage for `go:embed`.
- [x] **Build stage has `COPY --from=lint /src/go.sum /dev/null`** — Forces BuildKit to run lint before build.
- [x] **`initChannelState()` replays JOIN+TOPIC+NAMES on reconnect** — Iterates `GetSessionChannels()`, inserts synthetic JOIN via `InsertMessage` + `EnqueueToClient`, then calls `deliverJoinNumerics()` for 332/331 (TOPIC) + 353 (NAMES) + 366 (ENDOFNAMES).
- [x] **Parameter is `?initChannelState=1` everywhere** — `api.go` (`request.URL.Query().Get("initChannelState")`), `app.jsx` (`api("/state?initChannelState=1")`), README query parameter table + curl example.
- [x] **Targeted to specific client only** — Uses `EnqueueToClient(ctx, clientID, dbID)` throughout. No broadcast calls. Other clients/sessions unaffected.
- [x] **REPO_POLICIES.md has build artifacts rule** — "No build artifacts in version control" rule present with Go protobuf exception.
- [x] **README consistent with code** — Dockerfile description correctly lists four stages: web-builder → lint (with placeholder files note) → builder (with real SPA assets from web-builder) → final. Project structure shows `web/src/`, `build.sh`, `package.json`; `dist/` noted as generated at build time.
- [x] **No linter/CI/test modifications** — No changes to `.golangci.yml`, `Makefile`, or `.gitea/workflows/`.
- [x] **`docker build .` passes** — All four stages complete: web-builder compiles SPA, lint runs independently with placeholders (fmt-check + lint), tests pass, binaries built, final image assembled.
### Architecture Verification
The key concern from sneak's [comment #12039](https://git.eeqj.de/sneak/chat/pulls/61#issuecomment-12039) was that the lint stage depended on `COPY --from=web-builder`, defeating the purpose of fast-feedback linting. This is now properly resolved:
- Lint stage creates empty placeholder files instead of waiting for web-builder
- `web-builder` and `lint` run in parallel via BuildKit
- Build stage depends on both (lint via `COPY --from=lint`, web assets via `COPY --from=web-builder`)
### Login Flow
`handleLogin` in `auth.go` also calls `initChannelState()` for new client tokens joining an existing session — multi-client sessions see existing channels immediately.
LGTM. Ready to merge.
<!-- session: agent:sdlc-manager:subagent:88e9d585-ddda-45ef-a30e-57c4e00b899e -->
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Summary
When closing and reopening the SPA, channel tabs were not restored because the client relied on localStorage to remember joined channels and re-sent JOIN commands on reconnect. This was fragile and caused spurious JOIN broadcasts to other channel members.
Changes
Server (
internal/handlers/api.go,internal/handlers/auth.go)replayChannelState()— new method that enqueues synthetic JOIN messages plus join-numerics (332 TOPIC, 353 NAMES, 366 ENDOFNAMES) for every channel the session belongs to, targeted only at the specified client (no broadcast to other users).HandleState— accepts?replay=1query parameter to trigger channel state replay when the SPA reconnects.handleLogin— also callsreplayChannelStateafter password-based login, sinceLoginUsercreates a new client for an existing session.SPA (
web/src/app.jsx,web/dist/app.js)/state?replay=1instead of/stateso the server enqueues channel state into the message queue.processMessagenow creates channel tabs when receiving a JOIN wheremsg.frommatches the current nick (handles both live joins and replayed joins on reconnect).onLoginno longer re-sends JOIN commands for saved channels on resume — the server handles it via the replay mechanism, avoiding spurious JOIN broadcasts.How It Works
GET /api/v1/state?replay=1— server validates token and enqueues synthetic JOIN + TOPIC + NAMES for all session channels into the client's queueonLogin(nick, true)setsloggedIn = trueand requests MOTD (no re-JOIN needed)processMessagehandles the JOIN messages, creating tabs and refreshing members/topics naturallycloses #60
Review: PASS ✅
Reviewed all changes in PR #61 against issue #60.
Checklist
replayChannelState()iterates all session channels viaGetSessionChannels(), inserts a synthetic JOIN message, then callsdeliverJoinNumerics()which enqueues 332/331 (TOPIC), 353 (NAMES), and 366 (ENDOFNAMES).EnqueueToClient(ctx, clientID, dbID)throughout. NobroadcastToChannelcalls. Other clients/sessions are unaffected.processMessageJOIN handler now checksmsg.from === nickRef.currentand creates a tab viasetTabsif one doesn't already exist.GET /state?replay=1→ server enqueues JOINs → poll loop starts →processMessagecreates tabs.?replay=1parameter documented in README — Added to theGET /api/v1/statesection with query parameter table and curl example.README.md,internal/handlers/api.go,internal/handlers/auth.go,web/src/app.jsx,web/dist/app.js. No changes to.golangci.yml,Makefile,Dockerfile, or test files.Code Quality Notes
replayChannelState()is well-scoped and reused by bothHandleState(SPA resume) andhandleLogin(password-based login).onLogincorrectly short-circuits withreturnon resume, avoiding the old re-JOIN logic.web/dist/app.jsis consistent with the source changes inweb/src/app.jsx.LGTM. Ready to merge.
I think the parameter should be called initChannelState not “replay”. it’s not a replay as the names list and topic aren’t the same as the client got in the past.
20317226b7toab49c32148Reworked per review feedback — renamed
?replay=1→?initChannelState=1everywhere:replayChannelState()→initChannelState(), updated query parameter check inHandleState, updated log message prefixapp.jsx, rebuiltweb/dist/app.jsNo logic changes — pure rename.
docker build .passes (tests + lint + build).ab49c32148to78d657111bRework Complete
Renamed all occurrences of
replay→initChannelStateper review feedback:Changes
internal/handlers/api.go: Renamed functionreplayChannelState→initChannelState, query parameter?replay=1→?initChannelState=1, updated comments and log messagesinternal/handlers/auth.go: Updated call site and comment to useinitChannelStateweb/src/app.jsx: Updated API call?replay=1→?initChannelState=1, updated commentsweb/dist/app.js: Updated minified bundle to use?initChannelState=1README.md: Updated query parameter documentation table (replay→initChannelState), curl example, and headingThe unrelated "prevent replay" reference in the hashcash/rate-limiting section was correctly left unchanged (different concept).
docker build .passes ✅Review: PASS ✅
Reviewed all changes in PR #61 against issue #60. This is the post-rework review — sneak requested renaming
?replay=1→?initChannelState=1.Mandatory Checklist
?initChannelState=1— Confirmed inapi.go(request.URL.Query().Get("initChannelState")),app.jsx(api("/state?initChannelState=1")),app.js(minified bundle), and README.initChannelState()—func (hdlr *Handlers) initChannelState(...)inapi.go. Call sites inapi.goandauth.goboth usehdlr.initChannelState(...).initChannelState()iteratesGetSessionChannels(), inserts synthetic JOIN, then callsdeliverJoinNumerics()which enqueues 332/331 TOPIC + 353 NAMES + 366 ENDOFNAMES.EnqueueToClient(ctx, clientID, dbID)throughout. NobroadcastToChannelcalls.processMessageJOIN handler checksmsg.from === nickRef.currentand adds a tab viasetTabsif not already present.?initChannelState=1— Query parameter table and curl example added toGET /api/v1/statesection.replayreferences —grep -rniconfirms zero matches forreplayChannelState,replay=1, or?replayin Go, JSX, JS, and MD files.README.md,internal/handlers/api.go,internal/handlers/auth.go,web/src/app.jsx,web/dist/app.js. No changes to.golangci.yml, Makefile, Dockerfile, or test files.make test,make lint,make fmt-checkall pass. Image builds successfully.Notes
main(no rebase needed).web/dist/app.jsis consistent withweb/src/app.jsxsource changes.LGTM. Ready to merge.
the compiled SPA should not be committed in the repo.
please update our repo policies in sneak/prompts to be clear that build artifacts (code-derived data) never get committed if it can be avoided, then copy the updated policy doc into this repo and commit it here also. one notable exception to this rule is go protobuf generated files bc the repos they end up in need to work with “go get” which doesn’t exec code, just downloads it.
Rework complete — addressed feedback about build artifacts:
Updated
REPO_POLICIES.mdin sneak/prompts PR #15 with new policy: build artifacts must not be committed if they can be generated at build time (exception: Go protobuf.pb.gofiles).Removed
web/dist/from git tracking — all three files (app.js,index.html,style.css) are now generated at build time.Added
web/dist/to.gitignoreto prevent accidental re-commit.Added
web-builderDocker stage using pinnednode:22-alpineimage that runsnpm ci+web/build.shto compile the SPA. Both the lint and builder stagesCOPY --from=web-builderthe built assets before Go compilation, ensuringgo:embedpicks them up.Copied updated
REPO_POLICIES.md(withlast_modified: 2026-03-10) into the chat repo.docker build .passes — all tests green, lint clean, binaries built successfully.Review: PASS ✅
Reviewed all changes in PR #61 against issue #60. This is the review after the build-artifacts rework (comment 7).
Mandatory Checklist
web/dist/removed from git —git ls-files web/dist/returns empty. All three files (app.js,index.html,style.css) deleted from tracking.web/dist/in.gitignore— Present under# Build artifactssection.web-builderstage — First stage usesnode@sha256:8094c...to runnpm ci+sh build.sh, producingdist/with esbuild.# node:22-alpine, 2026-03-09above theFROMline.COPY --from=web-builder /web/dist/ web/dist/before Go compilation.go:embedstill works —web/embed.gohas//go:embed dist/*which picks up files from the COPY step duringdocker build.initChannelState()replays JOIN+TOPIC+NAMES — IteratesGetSessionChannels(), inserts synthetic JOIN, then callsdeliverJoinNumerics()which enqueues 332/331 (TOPIC) + 353 (NAMES) + 366 (ENDOFNAMES).?initChannelState=1everywhere —api.go(request.URL.Query().Get("initChannelState")),app.jsx(api("/state?initChannelState=1")), README docs + curl examples.EnqueueToClient(ctx, clientID, dbID)throughout. No broadcast calls.last_modified: 2026-03-10. Go protobuf exception noted.?initChannelState=1— Query parameter table + curl example inGET /api/v1/statesection..golangci.yml, or.gitea/workflows/.docker build .passes — All stages complete: web-builder builds SPA, lint passes (fmt-check + lint), tests pass, binaries built.Login flow
handleLogininauth.goalso callsinitChannelState()for new client tokens joining an existing session — this ensures multi-client sessions see existing channels immediately. Good.SPA reconnect flow
SPA loads → finds saved token →
GET /state?initChannelState=1→ server enqueues synthetic JOINs + numerics → SPA poll loop picks them up →processMessageJOIN handler creates tabs whenmsg.from === nickRef.current. Clean design.No issues found.
d87aee80fato4b2888cb90Rework Complete — Build Artifacts Removed
Addressed sneak's feedback on PR #61:
Removed all
web/dist/files from git tracking —app.js,index.html, andstyle.cssare all generated byweb/build.shfromweb/src/and should not be committed.Added
web/dist/to.gitignoreto prevent future accidental commits.Added SPA build stage to Dockerfile — new
web-builderstage (pinnednode:22-alpine) runsnpm ci+build.shat build time. Both the lint and builder stages copy the built assets viaCOPY --from=web-builder.Updated
REPO_POLICIES.mdfrom upstreamsneak/prompts— now includes the "no build artifacts in version control" rule (with Go protobuf exception).docker build .passes — all tests pass, lint passes, binary builds successfully.Review: FAIL ❌
Reviewed all changes in PR #61 against issue #60. Full independent review of current branch state.
What's Good
initChannelState()correctly implements reconnect — iteratesGetSessionChannels(), inserts synthetic JOIN per channel, callsdeliverJoinNumerics()for TOPIC + NAMES. Clean design.?initChannelState=1everywhere —api.go,app.jsx, README docs. No residualreplayreferences in code.EnqueueToClient(ctx, clientID, dbID)throughout, no broadcast calls. Other clients/sessions unaffected.processMessageJOIN handler checksmsg.from === nickRef.currentand creates channel tab. Works for both live joins and reconnect.handleLoginalso callsinitChannelState— Multi-client sessions get channel state immediately on new token creation. Good.web/dist/removed from git tracking —git ls-files web/dist/returns empty.web/dist/in.gitignore— Present under# Build artifacts.web-builderstage — SHA256-pinnednode:22-alpinewith version+date comment. Runsnpm ci+build.sh. Both lint and builder stagesCOPY --from=web-builder.last_modifiedupdated..golangci.yml, Makefile,.gitea/workflows/, or test files.docker build .passes — All 4 stages complete successfully.Finding: README Project Structure is inconsistent
The
## Project Structuresection (line ~2319) still shows:This is now wrong in two ways:
web/dist/is no longer in the repo — it's gitignored and generated at build time. Showing it in the project structure suggests these files are committed.web/build.shin the Dockerfile'sweb-builderstage.The section should be updated to show the actual source layout (
web/src/,web/build.sh,web/package.json) and note thatweb/dist/is generated at build time.Additionally, the README's Dockerfile description (line ~1853) shows a simplified 2-stage build that doesn't match reality — the actual Dockerfile has 4 stages including the new
web-builderstage. This was partially pre-existing (lint stage was already missing from the description) but was worsened by this PR adding another stage.Verdict
The functional code is correct and the bug fix is solid. The build artifact cleanup is properly done. But the README's project structure and Dockerfile documentation are now inconsistent with the actual codebase, and README consistency is a review requirement. Please update these sections.
Rework Complete — README Fixes
Fixed the two reviewer-flagged README inconsistencies:
Project Structure section: Removed individual
web/dist/files (index.html,style.css,app.js) and the "no build step" comment. Updated to showweb/src/,build.sh,package.json,package-lock.json, and notesdist/as generated at Docker build time (not committed).Dockerfile description: Updated from "two-stage Docker build" to accurately describe the four-stage build:
Removed the outdated example Dockerfile snippet that showed only 2 stages.
docker build .passes ✅shouldn’t lint happen before web build? also, why is linting running against the build artifact? it should run against the INPUT code.
the reason we have a separate lint build stage is so that it can fail fast - by this logic it should always go first.
Review: PASS ✅
Reviewed all changes in PR #61 against issue #60. Final review after the README fixes rework.
Previously-Flagged Issues — Verified Fixed
web/src/,build.sh,package.json,package-lock.jsonand notesdist/as "Generated at Docker build time (not committed)". No longer shows individualweb/dist/files as committed. No mention of "no build step".Full Checklist
initChannelState()correctly implements reconnect — IteratesGetSessionChannels(), inserts synthetic JOIN per channel viaInsertMessage+EnqueueToClient, then callsdeliverJoinNumerics()for TOPIC + NAMES numerics.EnqueueToClient(ctx, clientID, dbID)throughout. No broadcast calls. Other clients/sessions unaffected.?initChannelState=1everywhere —api.go,app.jsx, README query parameter table and curl example. No residualreplayreferences in functional code.processMessageJOIN handler checksmsg.from === nickRef.currentand creates channel tab if not already present.handleLoginalso callsinitChannelState— Multi-client sessions get channel state immediately on new token creation.web/dist/removed from git —git ls-files web/dist/returns empty.web/dist/in.gitignore— Present under# Build artifacts.node:22-alpinewith version+date comment), lint, builder (both copy from web-builder), and final runtime.last_modified: 2026-03-09. Migration docs expanded..golangci.yml, Makefile,.gitea/workflows/, or test files.docker build .passes — All 4 stages complete: web-builder compiles SPA, lint passes (fmt-check + lint), tests pass, binaries built, final image assembled.Code Quality
initChannelState()is well-scoped, reused by bothHandleState(SPA resume) andhandleLogin(new client token).onLogincorrectly short-circuits withreturnon resume, avoiding the old fragile re-JOIN-from-localStorage approach.GET /state?initChannelState=1→ server enqueues synthetic JOINs + numerics → poll loop picks them up → tabs created.LGTM. Ready to merge.
Review: FAIL ❌
Reviewed all changes in PR #61 against issue #60. Independent review of current branch state.
Mandatory Checklist
web/dist/removed from git, in.gitignore—git ls-files web/dist/returns empty..gitignorehasweb/dist/under# Build artifacts.web-builderstage builds SPA, node image SHA256-pinned — First stage usesnode@sha256:8094c...with# node:22-alpine, 2026-03-09comment.initChannelState()replays JOIN+TOPIC+NAMES on reconnect — IteratesGetSessionChannels(), inserts synthetic JOIN viaInsertMessage+EnqueueToClient, then callsdeliverJoinNumerics()for TOPIC (332/331) + NAMES (353) + ENDOFNAMES (366).?initChannelState=1everywhere —api.go,app.jsx, README. No residualreplayreferences in Go or JSX source.EnqueueToClient(ctx, clientID, dbID)throughout. No broadcast calls.web/src/,build.sh,package.json;dist/noted as generated. Dockerfile description correctly lists 4 stages..golangci.yml, Makefile,.gitea/workflows/, or test files.docker build .passes — All 4 stages complete successfully.Finding: Lint stage depends on web-builder (sneak feedback unaddressed)
Sneak commented that the lint stage should run before (or independently of) the web build, not after it. Currently the lint stage has:
This creates two problems:
The technical constraint is that
web/embed.gohas//go:embed dist/*, which requires the embedded files to exist for Go compilation (and therefore linting). However, this can be solved without blocking on the full web build — e.g. create placeholder files (mkdir -p web/dist && touch web/dist/.keep) so the embed directive resolves, without needing the real SPA artifacts. The linter doesn't need working JavaScript, just something for the embed directive to find.The previous PASS review (comment #12040) was posted 48 seconds after sneak's comment and does not address this concern.
Verdict
All functional code is correct and well-implemented. The bug fix itself is solid. But sneak's architectural feedback about Dockerfile lint ordering needs to be addressed before merge.
Rework Complete — Decoupled lint stage from web-builder
Addressed sneak's feedback that the lint stage should not depend on web-builder.
Changes
Dockerfile:
COPY --from=web-builder /web/dist/ web/dist/from the lint stageRUN mkdir -p web/dist && touch web/dist/index.html web/dist/style.css web/dist/app.jsto create placeholder files so the//go:embed dist/*directive inweb/embed.goresolves without needing the real SPA buildCOPY --from=web-builder /web/dist/ web/dist/for the real SPA assetsCOPY --from=lint /src/go.sum /dev/nullto force lint before buildREADME.md:
web/dist/so it runs independently of web-builder for fast feedback"No changes to Makefile,
.golangci.yml, tests, or linter config.docker build .passes ✅ — all tests pass, lint clean, binaries built.Review: PASS ✅
Reviewed all changes in PR #61 against issue #60. Full holistic review of the complete PR.
Core Bug Fix
initChannelState()correctly restores channel state on reconnect — IteratesGetSessionChannels(), inserts a synthetic JOIN per channel viaInsertMessage+EnqueueToClient, then callsdeliverJoinNumerics()for TOPIC (332/331) + NAMES (353) + ENDOFNAMES (366). Targeted to the specific reconnecting client only — no broadcast calls.processMessageJOIN handler checksmsg.from === nickRef.currentand creates a channel tab if not already present. Works for both live joins and reconnect.handleLoginalso callsinitChannelState— Multi-client sessions get channel state immediately on new token creation.?initChannelState=1everywhere —api.go,app.jsx, README. No residualreplayreferences in Go or JSX source.GET /state?initChannelState=1→ server enqueues synthetic JOINs + numerics → poll loop picks them up → tabs created. No spurious JOIN broadcasts to other users.Build Artifacts
web/dist/removed from git —git ls-files web/dist/returns empty.web/dist/in.gitignore— Present under# Build artifacts.last_modifiedupdated.Dockerfile Architecture
RUN mkdir -p web/dist && touch web/dist/index.html web/dist/style.css web/dist/app.jsto create placeholder files so//go:embed dist/*resolves. BuildKit can run lint in parallel with the Node.js SPA build.web-builderstage compiles SPA — SHA256-pinnednode:22-alpinewith version+date comment. Runsnpm ci+build.sh.COPY --from=web-builder /web/dist/ web/dist/before Go compilation.COPY --from=lint /src/go.sum /dev/nullgates builder on lint completion.README
web/src/,build.sh,package.json;dist/noted as generated at Docker build time, not committed.GET /api/v1/statedocs — Query parameter table and curl example for?initChannelState=1added.Integrity
.golangci.yml,Makefile,.gitea/workflows/, or test files.docker build .passes — All 4 stages complete successfully: web-builder builds SPA, lint passes (fmt-check + lint), tests pass, binaries built, final image assembled.LGTM. Ready to merge.
Review: PASS ✅
Reviewed all changes in PR #61 against issue #60. This review covers the latest rework (comment #12097) which addressed sneak's feedback about decoupling the lint stage from web-builder.
Mandatory Checklist
web/dist/removed from git, in.gitignore—git ls-files web/dist/returns empty..gitignorehasweb/dist/under# Build artifacts.COPY --from=web-builder— Lint stage is completely independent: creates placeholder files viaRUN mkdir -p web/dist && touch web/dist/index.html web/dist/style.css web/dist/app.js. BuildKit can start linting immediately without waiting for the Node.js SPA build.go:embedpattern —index.html,style.css,app.jsmatch the files produced byweb/build.shand expected by//go:embed dist/*inweb/embed.go.web-builderstage builds SPA, node image SHA256-pinned —FROM node@sha256:8094c002d08262dba12645a3b4a15cd6cd627d30bc782f53229a2ec13ee22a00 AS web-builderwith# node:22-alpine, 2026-03-09version+date comment.COPY --from=web-builder /web/dist/ web/dist/— Real SPA assets copied into the build stage forgo:embed.COPY --from=lint /src/go.sum /dev/null— Forces BuildKit to run lint before build.initChannelState()replays JOIN+TOPIC+NAMES on reconnect — IteratesGetSessionChannels(), inserts synthetic JOIN viaInsertMessage+EnqueueToClient, then callsdeliverJoinNumerics()for 332/331 (TOPIC) + 353 (NAMES) + 366 (ENDOFNAMES).?initChannelState=1everywhere —api.go(request.URL.Query().Get("initChannelState")),app.jsx(api("/state?initChannelState=1")), README query parameter table + curl example.EnqueueToClient(ctx, clientID, dbID)throughout. No broadcast calls. Other clients/sessions unaffected.web/src/,build.sh,package.json;dist/noted as generated at build time..golangci.yml,Makefile, or.gitea/workflows/.docker build .passes — All four stages complete: web-builder compiles SPA, lint runs independently with placeholders (fmt-check + lint), tests pass, binaries built, final image assembled.Architecture Verification
The key concern from sneak's comment #12039 was that the lint stage depended on
COPY --from=web-builder, defeating the purpose of fast-feedback linting. This is now properly resolved:web-builderandlintrun in parallel via BuildKitCOPY --from=lint, web assets viaCOPY --from=web-builder)Login Flow
handleLogininauth.goalso callsinitChannelState()for new client tokens joining an existing session — multi-client sessions see existing channels immediately.LGTM. Ready to merge.