fix(terminal): use absolute positioning for content panels

height:100% on .content>div fails because .content uses flex:1
without explicit height. Switch to position:absolute;inset:0 which
correctly fills the content area and gives xterm proper container
dimensions for fitAddon.

💘 Generated with Crush

Assisted-by: GLM-5.1 via Crush <crush@charm.land>

web/src/components/App.jsx

@@ -92,6 +92,8 @@ export default function App() {
       { keys: `${layout.keys.shift}+${layout.keys.enter}`, desc: t('statusbar.newLine') },
     ],
     shell: [
+      { keys: `${layout.keys.ctrl}+${layout.keys.shift}+C`, desc: t('statusbar.copy') },
+      { keys: `${layout.keys.ctrl}+${layout.keys.shift}+V`, desc: t('statusbar.paste') },
       { keys: layout.keys.enter, desc: t('statusbar.runCommand') },
       { keys: `${layout.keys.up}/${layout.keys.down}`, desc: t('statusbar.commandHistory') },
     ],

web/src/components/Shell.jsx

@@ -143,6 +143,32 @@ function createTerminal(container, settings = {}) {
   const webLinksAddon = new WebLinksAddon()
   term.loadAddon(fitAddon)
   term.loadAddon(webLinksAddon)
+
+  term.attachCustomKeyEventHandler((e) => {
+    if (e.type !== 'keydown') return true
+    const ctrl = e.ctrlKey || e.metaKey
+    const shift = e.shiftKey
+
+    if (ctrl && shift && e.key === 'C') {
+      e.preventDefault()
+      e.stopPropagation()
+      const selection = term.getSelection()
+      if (selection) navigator.clipboard.writeText(selection)
+      return false
+    }
+
+    if (ctrl && shift && e.key === 'V') {
+      e.preventDefault()
+      e.stopPropagation()
+      navigator.clipboard.readText().then(text => {
+        if (text) term.paste(text)
+      }).catch(() => {})
+      return false
+    }
+
+    return true
+  })
+
   term.open(container)
   fitAddon.fit()
 
@@ -425,15 +451,42 @@ export default function Shell({ api }) {
     }
   }, [])
 
+  const initPendingTabs = useCallback(() => {
+    for (const tab of tabsRef.current._tabList || []) {
+      if (!tabsRef.current[tab.id]) {
+        const container = document.getElementById(`terminal-${tab.id}`)
+        if (container && container.offsetHeight > 0) {
+          initTerminal(tab.id, tab)
+        }
+      }
+    }
+    requestAnimationFrame(() => {
+      for (const tab of tabsRef.current._tabList || []) {
+        const entry = tabsRef.current[tab.id]
+        if (entry) entry.fitAddon.fit()
+      }
+      setTimeout(() => {
+        for (const tab of tabsRef.current._tabList || []) {
+          const entry = tabsRef.current[tab.id]
+          if (entry) entry.fitAddon.fit()
+        }
+      }, 150)
+    })
+  }, [initTerminal])
+
+  useEffect(() => {
+    tabsRef.current._tabList = tabs
+  }, [tabs])
+
   useEffect(() => {
     let cancelled = false
     const pending = []
 
     const tryInitTab = (tab, attempt) => {
-      if (cancelled || attempt > 30) return
+      if (cancelled) return
       const shellCol = document.querySelector('.shell-terminal-col')
       if (!shellCol || shellCol.offsetParent === null) {
-        pending.push(setTimeout(() => tryInitTab(tab, attempt + 1), 150))
+        pending.push(setTimeout(() => tryInitTab(tab, attempt + 1), 200))
         return
       }
       const container = document.getElementById(`terminal-${tab.id}`)
@@ -451,21 +504,33 @@ export default function Shell({ api }) {
       requestAnimationFrame(() => {
         if (cancelled) return
         const entry = tabsRef.current[tab.id]
-        if (entry) entry.fitAddon.fit()
+        if (entry) {
+          entry.fitAddon.fit()
+          setTimeout(() => { if (!cancelled) entry.fitAddon.fit() }, 100)
+        }
       })
-    }
-
-    for (const tab of tabs) {
       if (!tabsRef.current[tab.id]) {
         tryInitTab(tab, 0)
       }
     }
 
+    const wrapper = document.querySelector('.shell-layout')?.parentElement
+    let observer
+    if (wrapper) {
+      observer = new MutationObserver(() => {
+        if (!wrapper.classList.contains('tab-hidden') && wrapper.offsetParent !== null) {
+          initPendingTabs()
+        }
+      })
+      observer.observe(wrapper, { attributes: true, attributeFilter: ['class'] })
+    }
+
     return () => {
       cancelled = true
       pending.forEach(clearTimeout)
+      observer?.disconnect()
     }
-  }, [tabs, initTerminal])
+  }, [tabs, initTerminal, initPendingTabs])
 
   useEffect(() => {
     const entry = tabsRef.current[activeTab]
@@ -480,6 +545,8 @@ export default function Shell({ api }) {
 
   useEffect(() => {
     const iv = setInterval(() => {
+      const wrapper = document.querySelector('.shell-layout')?.parentElement
+      if (wrapper && wrapper.classList.contains('tab-hidden')) return
       const entry = tabsRef.current[activeTabRef.current]
       if (entry) {
         entry.fitAddon.fit()
@@ -652,7 +719,7 @@ export default function Shell({ api }) {
 
     if (!fromEvent) {
       setAiInput('')
-      focusAiTerminal()
+      setTimeout(() => focusAiTerminal(), 0)
     }
 
     if (trimmed === '/clear') {
@@ -896,7 +963,7 @@ export default function Shell({ api }) {
           <input
             value={aiInput}
             onChange={e => setAiInput(e.target.value)}
-            onKeyDown={e => e.key === 'Enter' && handleAiSend()}
+            onKeyDown={e => { if (e.key === 'Enter') { e.preventDefault(); e.stopPropagation(); handleAiSend() } }}
             placeholder={aiAtLimit ? '/clear pour continuer' : t('shell.askAi')}
             disabled={aiAtLimit && aiInput !== '/clear'}
           />

web/src/i18n/en.js

@@ -16,6 +16,8 @@ const en = {
     switchWindow: 'Switch window',
     sendMessage: 'Send message',
     newLine: 'New line',
+    copy: 'Copy',
+    paste: 'Paste',
     runCommand: 'Run command',
     commandHistory: 'Command history',
   },

web/src/i18n/fr.js

@@ -16,6 +16,8 @@ const fr = {
     switchWindow: 'Changer de fen\u00eatre',
     sendMessage: 'Envoyer le message',
     newLine: 'Nouvelle ligne',
+    copy: 'Copier',
+    paste: 'Coller',
     runCommand: 'Ex\u00e9cuter',
     commandHistory: 'Historique',
   },

web/src/styles/global.css

@@ -155,7 +155,7 @@ input::placeholder { color: var(--text-disabled); }
 .header-clock { font-family: var(--font-mono); font-size: 12px; color: var(--accent); font-weight: 600; }
 
 .content { flex: 1; overflow: hidden; position: relative; }
-.content > div { height: 100%; }
+.content > div { position: absolute; inset: 0; overflow: hidden; }
 .tab-hidden { display: none; }
 
 .statusbar {
@@ -276,8 +276,8 @@ input::placeholder { color: var(--text-disabled); }
 .sidebar-tab:hover { background: var(--bg-card); color: var(--text-primary); }
 .sidebar-tab.active { background: var(--accent); color: #fff; font-weight: 600; }
 
-.shell-layout { display: flex; height: 100%; }
+.shell-layout { display: flex; height: 100%; overflow: hidden; }
-.shell-terminal-col { flex: 1; display: flex; flex-direction: column; min-width: 0; min-height: 0; overflow: hidden; }
+.shell-terminal-col { flex: 1; display: flex; flex-direction: column; min-width: 0; overflow: hidden; }
 
 .shell-tabs-bar {
   display: flex; align-items: center; background: var(--bg-surface);
@@ -382,7 +382,7 @@ input::placeholder { color: var(--text-disabled); }
 }
 .shell-menu-divider { height: 1px; background: var(--border); margin: 4px 6px; }
 
-.shell-xterm-wrapper { flex: 1; height: 100%; background: var(--bg); overflow: hidden; position: relative; }
+.shell-xterm-wrapper { flex: 1; min-height: 0; background: var(--bg); overflow: hidden; position: relative; }
 .shell-xterm-instance {
   position: absolute;
   inset: 0;
@@ -402,7 +402,7 @@ input::placeholder { color: var(--text-disabled); }
 .shell-tab.ai-tab .shell-tab-name { color: var(--accent); }
 .shell-tab.ai-tab { border-bottom-color: var(--accent); }
 
-.shell-ai-col { width: 320px; border-left: 1px solid var(--border); background: var(--bg-surface); display: flex; flex-direction: column; flex-shrink: 0; }
+.shell-ai-col { width: 320px; max-width: 320px; border-left: 1px solid var(--border); background: var(--bg-surface); display: flex; flex-direction: column; flex-shrink: 0; overflow: hidden; }
 .ai-panel-header { padding: 12px 16px; border-bottom: 1px solid var(--border); font-weight: 700; font-size: 13px; color: var(--accent); display: flex; align-items: center; justify-content: space-between; }
 .shell-analyze-btn {
   display: flex; align-items: center; gap: 4px;