Manuscript revision and pending experiment work, snapshot before restructuring

Clarity pass over the main text (36-item audit), Discussion rewrite and cut,
acknowledgements, Souly et al. as ref 62, lettered SI panels, model section
moved under Results; plus the untracked curriculum/society/compose/smol
configs, runners, figures, stats and tests that the SI already cites.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Y64o8FKP7rCuXzC48pxpMm

results/llm_curriculum_gate/manifest.json

@@ -0,0 +1,43 @@
+{
+  "experiment": "llm_curriculum_gate",
+  "master_seed": 1,
+  "git_commit": "e4804adabcdce6d928c5e6b1e85429b2a6acf2fe",
+  "python": "3.14.7",
+  "libraries": {
+    "numpy": "2.5.0",
+    "scipy": "1.18.0",
+    "pandas": "3.0.3",
+    "pyarrow": "24.0.0",
+    "torch": "2.12.1",
+    "transformers": "5.16.1",
+    "peft": "0.20.0"
+  },
+  "rows": 144,
+  "results_sha256": "c910942d8071f802cca5c01a8d50710622b4c921e4b8f5dfce67f19674016e8f",
+  "layer": "2",
+  "tier": "llm",
+  "base_model": "Qwen/Qwen2.5-1.5B",
+  "hard": false,
+  "curriculum": {
+    "families": [
+      "strings",
+      "setops",
+      "numtheory"
+    ],
+    "lineages": 3,
+    "generations": 3,
+    "arms": [
+      "isolated",
+      "society"
+    ],
+    "baselines": [],
+    "n_new": 300,
+    "n_replay": 120,
+    "operator": "linear",
+    "ancestor_depth": null,
+    "lora": {
+      "r": 16,
+      "alpha": 32
+    }
+  }
+}

results/llm_curriculum_gate/resolved_config.yaml

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+experiment: llm_curriculum_gate
+seed: 1
+n_replicates: 1
+source_config:
+  experiment: llm_curriculum_gate
+  kind: llm_curriculum
+  base_model: Qwen/Qwen2.5-1.5B
+  seed: 1
+  families:
+  - strings
+  - setops
+  - numtheory
+  lineages: 3
+  generations: 3
+  arms:
+  - isolated
+  - society
+  baselines: []
+  n_new: 300
+  n_replay: 120
+  n_test: 60
+  n_val: 30
+  epochs: 3
+  lr: 0.0001
+  operator: linear
+  merge_weights:
+  - - 0.5
+    - 0.5
+  - - 0.3
+    - 0.7
+  - - 0.7
+    - 0.3
+  max_new_tokens: 32
+  batch_size: 32
+  train_batch_size: 2
+  train_max_len: 448
+  lora:
+    r: 16
+    alpha: 32
+  output:
+    dir: results/llm_curriculum_gate
+  n_replicates: 1