Add session context state

.gitignore

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+.env

codex_context

@@ -1 +1,2 @@
 Load SESSION_STATE below as full context. Treat it as authoritative memory. Continue work accordingly.
+Load SESSION_STATE below as full context. Treat it as authoritative memory. Continue work accordingly

codex_context.yaml

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+SESSION_STATE:
+  meta:
+    goal: "Maintain compressed lossless session memory in ./codex_context.yaml"
+    environment:
+      cwd: "/home/oskar/projects/homelab-codex-ws"
+      shell: "zsh"
+      date: "2026-04-20"
+      tz: "Europe/Warsaw"
+  systems:
+    S1:
+      name: "session_state"
+      file: "./codex_context.yaml"
+      format: "YAML"
+      root: "SESSION_STATE"
+      ops:
+        save: "overwrite after every meaningful change/decision"
+        load: "on startup if file exists"
+        export: "print file content only"
+        import: "load user-provided YAML"
+      constraints:
+        - "lossless"
+        - "compressed"
+        - "valid_yaml"
+        - "no_fluff"
+        - "dedupe"
+        - "use_ids"
+        - "never_delete_unless_explicit"
+        - "no_confirm_on_save"
+  configs: {}
+  decisions:
+    D1: "No prior codex_context.yaml existed; initialized state file."
+    D2: "User requested commit; include current repo changes: ./codex_context.yaml, ./.gitignore, ./codex_context."
+    D3: "Git commit created with message: Add session context state."
+  todos:
+    T1: "For all future meaningful changes/decisions, update and overwrite ./codex_context.yaml."
+    T2: "DONE: Commit current changes."
+  issues: {}