chore(release): release version 0.3.25

[wpfleger96]

Release v0.3.25

Changes since v0.3.24:

• fix(desktop): stop dimming deferred message lists (#1104) (718b596e5)
• Smooth channel loading: single-surface timeline state machine (#1099) (d47572209)
• feat: surface base + persona system prompts in observer feed (#1103) (5004758fb)
• ci: move reminder e2e to a dedicated backend-integration job (#1098) (466bb993c)
• fix: give agent-observer sub a replay-capable limit (#1100) (959fc6e9d)
• fix: make managed-agent spawn and teardown portable to Windows (#1097) (420131182)
• fix(desktop): constrain message timeline width with min-w-0 (#1092) (7de5517f1)
• feat(desktop): reminders notifications, snooze, overlay, and inbox view mode (#1093) (22b47db8e)
• feat(prompt): add memory hygiene and hoist universal engineering discipline to base prompt (#1085) (010e8022b)
• fix(desktop): correct thread-unread badge flicker, stale clear, phantom count, mention gate, and nested count (#1080) (c8e1120fc)
• Fix mention chip alignment (#1094) (4f93d52e1)
• perf(desktop): virtualize unbounded lists and warm the emoji index (#1089) (a4fbebb39)
• Adjust unread pill spacing (#1091) (3bf2ac004)
• Improve image lightbox controls (#1084) (bb9b6674e)
• Use Inter for app typography (#899) (7b0500c93)
• fix(desktop): paint thread replies on open without scroll nudge (#1090) (422a90f5e)
• Polish sidebar update and relay cards (#1009) (d4cd919b8)
• Normalize desktop icon sizing (#1088) (1a37ee395)
• fix(desktop): normalize loopback host for HTTP writes and stop Reminders nav flicker (#1086) (771086fd6)
• feat(composer): link editing — inline popover, modal picker, buzz:// in-app nav (#1045) (770266d2a)
• chore(Pulse): gate Follow button behind Pulse feature flag (#1019) (48994e01b)
• fix(desktop): wrap long markdown autolinks (#1081) (b7e22f4b5)
• feat(desktop): add NIP-ER reminder UI — create, view, and manage encrypted reminders (#963) (ff824a365)
• feat(relay): add NIP-ER push scheduler with cross-pod delivery (#957) (26563968c)
• feat(relay): implement NIP-ER event reminder support (kind:30300) (#934) (79fcfd82b)
• feat(desktop): adding ui state into the history stack (#967) (538f33341)
• fix(desktop): restore timeline zoom via rem tokens + chat-as-base type scale (#1052) (c22c54e7a)
• fix(release): format changelog as linked markdown bullets (#1075) (d879fac4c)

To release: merge this PR. The tag and build will happen automatically.