chore: add SPDX headers to source files

Author: hyperpolymath

src/abi/Foreign.idr

@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: PMPL-1.0-or-later
 ||| Foreign Function Interface Declarations
 |||
 ||| This module declares all C-compatible functions that will be

src/abi/Layout.idr

@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: PMPL-1.0-or-later
 ||| Memory Layout Proofs
 |||
 ||| This module provides formal proofs about memory layout, alignment,

src/abi/Types.idr

@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: PMPL-1.0-or-later
 ||| ABI Type Definitions Template
 |||
 ||| This module defines the Application Binary Interface (ABI) for this library.

src/analysis.js

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: PMPL-1.0-or-later
 /**
  * Advanced analysis features for UbiCity
  * Beyond basic mapping - temporal patterns, collaborative networks, recommendations

src/capture.js

@@ -1,4 +1,5 @@
 #!/usr/bin/env node
+// SPDX-License-Identifier: PMPL-1.0-or-later
 
 /**
  * UbiCity Learning Experience Capture Tool (ESM + Async)

src/cli.js

@@ -1,4 +1,5 @@
 #!/usr/bin/env node
+// SPDX-License-Identifier: PMPL-1.0-or-later
 
 /**
  * UbiCity CLI - Main entry point

src/export.js

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: PMPL-1.0-or-later
 /**
  * Export utilities for UbiCity data
  * Supports CSV, JSON, and other formats

src/import.js

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: PMPL-1.0-or-later
 /**
  * Batch import utilities for UbiCity
  * Import from CSV, JSON, and other formats

src/index.js

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: PMPL-1.0-or-later
 /**
  * UbiCity - Main module exports
  * Convenient entry point for all UbiCity functionality

src/mapper.js

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: PMPL-1.0-or-later
 /**
  * UbiCity Urban Knowledge Mapper (ESM + Async + Validated)
  *