fix: complete 0.3.6 runtime and research reliability

.env.example

@@ -3,6 +3,9 @@
 
 FEYNMAN_MODEL=
 FEYNMAN_THINKING=medium
+# Optional override for PDF scratch Markdown written by fetch_content.
+# Default: <project>/.feynman/cache/fetch-content
+FEYNMAN_FETCH_CACHE_DIR=
 # PostHog telemetry defaults to the Feynman project created for this repo.
 # Set FEYNMAN_TELEMETRY=off to disable, or override these for another PostHog project.
 FEYNMAN_TELEMETRY=1

.feynman/config/keybindings.json

@@ -0,0 +1,9 @@
+{
+  "tui.input.newLine": [
+    "ctrl+j",
+    "alt+enter"
+  ],
+  "app.message.followUp": [
+    "shift+enter"
+  ]
+}