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README.md

@@ -106,6 +106,15 @@ All columns from `nodes.csv` plus:
 | betweenness | float | Betweenness centrality (k=500, seed=42) |
 | community_id | int | Louvain community |
 | dag_layer | int | Topological depth; -1 for 5,732 nodes in cycles |
+| file_module | str | Source file module (from Lean environment, 278K coverage) |
+| is_tactic_proof | bool | Whether the proof uses tactics (78,315 declarations) |
+| tactic_count | int | Number of tactics used in the proof |
+| top_tactic | str | Most frequently used tactic in this proof |
+| is_instance | bool | Whether this is a typeclass instance (26,415 declarations) |
+| instance_class | str | Which typeclass this instance implements |
+| is_coercion | bool | Whether this is a coercion (241 declarations) |
+| to_additive_pair | str | Name of the corresponding additive/multiplicative variant |
+| def_height | float | Definitional height in the kernel (42,935 declarations) |
 
 ### v2/module/nodes.csv
 
@@ -120,13 +129,14 @@ All columns from `nodes.csv` plus:
 |--------|------|-------------|
 | source | str | Importing module |
 | target | str | Imported module |
+| is_exported | bool | Whether this is a public import (20,699 of 20,881) |
 
 ### v2/module/metrics.csv
 
 | Column | Type | Description |
 |--------|------|-------------|
 | module | str | Module name |
-| decl_count | int | Declarations (235K jixia coverage) |
+| decl_count | int | Declarations in this module (full decl_module mapping, 499K coverage) |
 | in_degree | int | Modules that import this one |
 | out_degree | int | Modules this one imports |
 | pagerank | float | PageRank on module import graph |