storkit: create 419_bug_matrix_bot_crashes_on_transient_network_error_instead_of_retrying

.storkit/work/1_backlog/419_bug_matrix_bot_crashes_on_transient_network_error_instead_of_retrying.md

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+---
+name: "Matrix bot crashes on transient network error instead of retrying"
+---
+
+# Bug 419: Matrix bot crashes on transient network error instead of retrying
+
+## Description
+
+The Matrix bot treats a transient sync error as fatal and stops entirely. A single failed HTTP request to the homeserver kills the bot, requiring a full server rebuild to recover.
+
+## How to Reproduce
+
+1. Run storkit with Matrix bot enabled\n2. Homeserver becomes temporarily unreachable (network blip, DNS hiccup, server restart)\n3. Bot hits sync error and crashes
+
+## Actual Result
+
+Bot logs "Fatal error: Matrix sync error: error sending request for url (...)" and stops responding. No retry, no recovery.
+
+## Expected Result
+
+Bot logs a warning, backs off with exponential delay, and retries the sync. Only crash on unrecoverable errors (invalid credentials, banned, etc).
+
+## Acceptance Criteria
+
+- [ ] Transient network errors (connection refused, timeout, DNS failure) trigger a retry with exponential backoff
+- [ ] Bot logs a warning on each failed retry attempt
+- [ ] Bot resumes normal operation once the homeserver is reachable again
+- [ ] Unrecoverable errors (401, 403) still cause a clean shutdown with a clear error message
+- [ ] Bot sends a notification after recovering from a network outage