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fix: apply review fixes, update version to v0.20, add Sprint 18 changelog

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- Fix stale tree cache: clear _dirCache and _expandedDirs on root nav
- Fix clearPreview: prompt before discarding unsaved preview edits
- Update UI version label from v0.17.1 to v0.20
- Add Sprint 18 entry to CHANGELOG.md
- Update SPRINTS.md current state to v0.20

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Nathan Esquenazi
2026-04-03 05:02:30 -07:00
parent 67324cc3bc
commit d0aef93372
4 changed files with 46 additions and 4 deletions
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37
CHANGELOG.md
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@@ -5,6 +5,41 @@
---
## [v0.20] Sprint 18 -- File Preview Auto-Close + Thinking Display + Workspace Tree
*April 3, 2026 | 318 tests*
### Features
- **File preview auto-close on directory navigation.** When viewing a file in
the right panel and navigating directories (breadcrumbs, up button, folder
clicks), the preview now automatically closes instead of showing stale
content. `clearPreview()` extracted as named function and called from
`loadDir()`. Unsaved preview edits prompt for confirmation before discarding.
- **Thinking/reasoning display.** Assistant messages with structured content
arrays containing `type:'thinking'` or `type:'reasoning'` blocks (Claude
extended thinking, o3 reasoning) now render as collapsible gold-themed cards
above the response text. Collapsed by default. Click the header to expand and
see the model's reasoning process. Uses `esc()` on all content for XSS safety.
- **Workspace tree view (Issue #22).** Directories expand/collapse in-place
with toggle arrows. Single-click toggles a directory open/closed. Double-click
navigates into it (breadcrumb view). Subdirectory contents fetched lazily from
the API and cached in `S._dirCache`. Nesting depth shown via indentation.
Empty directories show "(empty)" placeholder. Breadcrumb navigation still
works alongside the tree view.
### Bug Fixes
- **Stale tree cache on session switch.** `S._dirCache` and `S._expandedDirs`
are now cleared when navigating to the root directory, preventing session B
from showing session A's cached file listings.
- **clearPreview() discards unsaved edits.** Navigation now checks
`_previewDirty` and prompts before discarding unsaved preview changes.
### Architecture
- `clearPreview()` extracted from inline handler to named function in `boot.js`.
- Thinking card styles added to `style.css` (gold-themed, collapsible).
- Tree toggle and empty-directory styles added to `style.css`.
---
## [v0.19] Sprint 17 -- Workspace Polish + Slash Commands + Settings
*April 3, 2026 | 318 tests*
@@ -614,4 +649,4 @@ Three-panel layout: sessions sidebar, chat area, workspace panel.
---
*Last updated: v0.18.1, April 2, 2026 | Tests: 289*
*Last updated: v0.20, April 3, 2026 | Tests: 318*

2
SPRINTS.md
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@@ -1,6 +1,6 @@
# Hermes Web UI -- Forward Sprint Plan
> Current state: v0.19 | 318 tests | Daily driver ready
> Current state: v0.20 | 318 tests | Daily driver ready
> This document plans the path from here to two targets:
>
> Target A: 1:1 feature parity with the Hermes CLI (everything you can do from the

2
static/index.html
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@@ -13,7 +13,7 @@
<body>
<div class="layout">
<aside class="sidebar">
<div class="sidebar-header"><div class="logo">H</div><div><h1 style="margin:0;font-size:15px;font-weight:700;letter-spacing:-.01em">Hermes</h1><div style="font-size:10px;color:var(--muted);opacity:.8;margin-top:1px">v0.17.1</div></div></div>
<div class="sidebar-header"><div class="logo">H</div><div><h1 style="margin:0;font-size:15px;font-weight:700;letter-spacing:-.01em">Hermes</h1><div style="font-size:10px;color:var(--muted);opacity:.8;margin-top:1px">v0.20</div></div></div>
<div class="sidebar-nav">
<button class="nav-tab active" data-panel="chat" data-label="Chat" onclick="switchPanel('chat')" title="Chat">&#128172;</button>
<button class="nav-tab" data-panel="tasks" data-label="Tasks" onclick="switchPanel('tasks')" title="Tasks">&#128197;</button>

9
static/workspace.js
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@@ -9,10 +9,17 @@ async function api(path,opts={}){
async function loadDir(path){
if(!S.session)return;
try{
if(!path||path==='.'){ S._dirCache={}; if(S._expandedDirs)S._expandedDirs=new Set(); }
S.currentDir=path||'.';
const data=await api(`/api/list?session_id=${encodeURIComponent(S.session.session_id)}&path=${encodeURIComponent(path)}`);
S.entries=data.entries||[];renderBreadcrumb();renderFileTree();
if(typeof clearPreview==='function')clearPreview();
if(typeof clearPreview==='function'){
if(typeof _previewDirty!=='undefined'&&_previewDirty){
if(confirm('You have unsaved changes in the preview. Discard and navigate?'))clearPreview();
}else{
clearPreview();
}
}
}catch(e){console.warn('loadDir',e);}
}