Node list fixes: AGE column, SNR alignment, F for favorites

- Rename HEARD column to AGE (left aligned)
- Right-align SNR header to match data
- Change favorites sort key from V to F

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: statico

README.md

@@ -138,7 +138,7 @@ Options:
 | S | Sort by SNR |
 | B | Sort by battery |
 | A | Sort by age (last heard) |
-| V | Sort by favorites |
+| F | Sort by favorites |
 
 ### Chat View
 

src/ui/App.tsx

@@ -1664,7 +1664,7 @@ export function App({ address, packetStore, nodeStore, skipConfig = false, skipN
       if (input === "S") { handleSortKey("snr"); return; }
       if (input === "B") { handleSortKey("battery"); return; }
       if (input === "A") { handleSortKey("time"); return; }
-      if (input === "V") { handleSortKey("favorites"); return; }
+      if (input === "F") { handleSortKey("favorites"); return; }
 
       const nodePageSize = Math.max(1, terminalHeight - 16);
       if (input === "j" || key.downArrow) {

src/ui/components/NodesPanel.tsx

@@ -128,11 +128,11 @@ export function NodesPanel({ nodes, selectedIndex, height = 20, inspectorHeight
           <Text color={sortKey === "hops" ? theme.fg.accent : theme.fg.muted}>{sortKey === "hops" ? (sortAscending ? "↑" : "↓") : " "}</Text>
           <Text color={sortKey === "hops" ? theme.fg.accent : theme.fg.muted}>{"HOP".padEnd(3)}</Text>
           <Text color={sortKey === "snr" ? theme.fg.accent : theme.fg.muted}>{sortKey === "snr" ? (sortAscending ? "↑" : "↓") : " "}</Text>
-          <Text color={sortKey === "snr" ? theme.fg.accent : theme.fg.muted}>{"SNR".padEnd(7)}</Text>
+          <Text color={sortKey === "snr" ? theme.fg.accent : theme.fg.muted}>{"SNR".padStart(7)} </Text>
           <Text color={sortKey === "battery" ? theme.fg.accent : theme.fg.muted}>{sortKey === "battery" ? (sortAscending ? "↑" : "↓") : " "}</Text>
           <Text color={sortKey === "battery" ? theme.fg.accent : theme.fg.muted}>{"BAT".padEnd(4)}</Text>
           <Text color={sortKey === "time" ? theme.fg.accent : theme.fg.muted}>{sortKey === "time" ? (sortAscending ? "↑" : "↓") : " "}</Text>
-          <Text color={sortKey === "time" ? theme.fg.accent : theme.fg.muted}>{"HEARD".padEnd(5)}</Text>
+          <Text color={sortKey === "time" ? theme.fg.accent : theme.fg.muted}>{"AGE".padEnd(5)}</Text>
           <Text color={theme.fg.muted}>{"R "}</Text>
           <Box flexGrow={1}><Text color={theme.fg.muted}>LONG NAME</Text></Box>
           <Box width={16}><Text color={theme.fg.muted}>MODEL</Text></Box>