/*==================================================================== SOVMETAAGENT.PL/I — Sovereign Knowledge Synthesis Lens Non-recursive meta-search engine for knowledge synthesis. Core entry point: SovMetaSearch(QUERY, INCLUDE_ANS) Returns WORM-sealed JSON payload via Blake3+Ed25519. Zero external dependencies — uses only: - Fortran sov_knowledge base (resequencing + synthesis) - Blake3 WORM attestation - Ed25519 signing - MLIR cosine similarity scoring Standard: PL/I, Fortran 2018 interop via ISO C binding ====================================================================*/ SovMetaAgent: package options(reorder, main); declare builtin (FLOAT, HEX, FIXED, BINARY); /* ────────────────────────────────────────────────────────────── Constants ────────────────────────────────────────────────────────────── */ declare MAX_QUERY_LEN fixed bin(31) value(4096); declare MAX_CHUNKS fixed bin(31) value(512); declare MAX_RESPONSE_LEN fixed bin(31) value(65536); declare BLAKE3_HASH_LEN fixed bin(31) value(32); declare ED25519_SIG_LEN fixed bin(31) value(64); declare MIN_RELEVANCE float value(0.5); /* ────────────────────────────────────────────────────────────── Fortran FFI Types (C interop) ────────────────────────────────────────────────────────────── */ declare 1 blake3_state, 2 chaining_value(8) fixed bin(31), 2 block(64) fixed bin(31), 2 block_len fixed bin(63), 2 counter fixed bin(63), 2 flags fixed bin(63), 2 initialized bit; declare 1 ed25519_key, 2 secret char(32), 2 public char(32); declare 1 worm_seal, 2 hash char(32), 2 steps fixed bin(63), 2 timestamp fixed bin(63), 2 label char(64), 2 artifact_id char(32), 2 is_valid bit; /* ────────────────────────────────────────────────────────────── Knowledge Chunk (from Fortran sov_knowledge.f90) ────────────────────────────────────────────────────────────── */ declare 1 knowledge_chunk, 2 chunk_id fixed bin(31), 2 content char(1024), 2 embedding_ptr fixed bin(63), 2 relevance_score float, 2 source_domain char(64), 2 confidence float, 2 worm_sealed bit; /* ────────────────────────────────────────────────────────────── Query Intent Structure ────────────────────────────────────────────────────────────── */ declare 1 query_intent, 2 query_text char(1024), 2 intent_class char(32), 2 domain_filters char(128), 2 max_results fixed bin(31), 2 include_answers fixed bin(31), 2 confidence_req float; /* ────────────────────────────────────────────────────────────── Synthesis Result (Born Rule Aggregation) ────────────────────────────────────────────────────────────── */ declare 1 synthesis_result, 2 answer char(4096), 2 confidence float, 2 supporting_chunks fixed bin(31), 2 follow_ups(8) char(256), 2 num_followups fixed bin(31), 2 metadata char(512); /* ────────────────────────────────────────────────────────────── Fortran Subroutine Declarations (ISO C binding) ────────────────────────────────────────────────────────────── */ declare external SovResequenceChunks entry(pointer, fixed bin(31), float, pointer returns (fixed bin(31))); declare external SovSynthesizeAnswer entry(pointer, fixed bin(31), fixed bin(31), pointer returns (float)); declare external SovGenFollowUps entry(pointer, fixed bin(31), char(*), pointer returns (fixed bin(31))); declare external sov_blake3_init entry(pointer returns (fixed bin(31))); declare external sov_blake3_update entry(pointer, char(*), fixed bin(63) returns (fixed bin(31))); declare external sov_blake3_finalize entry(pointer, pointer, fixed bin(63) returns (fixed bin(31))); declare external sov_bifrost_sign entry(pointer, fixed bin(63), pointer, pointer returns (fixed bin(31))); /* ════════════════════════════════════════════════════════════════ 1. SovMetaSearch — Main Entry Point (Non-recursive) ════════════════════════════════════════════════════════════════ */ SovMetaSearch: procedure(query char(*), include_answers fixed bin(31)) returns (pointer); declare query_len fixed bin(31); declare intent type query_intent; declare chunks(MAX_CHUNKS) type knowledge_chunk; declare num_chunks fixed bin(31); declare filtered_chunks(MAX_CHUNKS) fixed bin(31); declare num_filtered fixed bin(31); declare synthesis type synthesis_result; declare confidence_final float; declare response_json char(MAX_RESPONSE_LEN); declare response_len fixed bin(31); declare hash_out char(32); declare sig_out char(64); declare seal type worm_seal; declare payload_ptr pointer; declare rc fixed bin(31); /* Step 1: Parse query intent ──────────────────────────────────*/ query_len = length(query); intent.query_text = query; intent.max_results = 10; intent.include_answers = include_answers; intent.confidence_req = MIN_RELEVANCE; /* Step 2: Resequence knowledge chunks via MLIR scorer ─────────*/ rc = SovResequenceChunks(addr(chunks), MAX_CHUNKS, MIN_RELEVANCE); num_chunks = rc; if num_chunks <= 0 then do; response_json = '{"error":"no_knowledge_available","status":"fail"}'; return (addr(response_json)); end; /* Step 3: Filter chunks by relevance (cosine similarity) ──────*/ num_filtered = 0; declare i fixed bin(31); do i = 1 to num_chunks; if chunks(i).relevance_score >= MIN_RELEVANCE then do; num_filtered = num_filtered + 1; filtered_chunks(num_filtered) = i; end; end; /* Step 4: Synthesize answer via Born rule aggregation ────────*/ if num_filtered > 0 then do; confidence_final = SovSynthesizeAnswer( addr(chunks), num_filtered, include_answers ); synthesis.confidence = confidence_final; end else do; confidence_final = 0.0; synthesis.answer = 'No matching knowledge found.'; end; /* Step 5: Generate follow-up queries ──────────────────────────*/ declare num_followups fixed bin(31); num_followups = SovGenFollowUps( addr(chunks), num_filtered, intent.query_text ); synthesis.num_followups = num_followups; /* Step 6: Build JSON response ────────────────────────────────*/ response_json = build_json_response( synthesis, intent.query_text, confidence_final, num_filtered ); response_len = length(response_json); /* Step 7: WORM seal via Blake3 + Ed25519 ────────────────────*/ allocate(payload_ptr); rc = sov_blake3_init(addr(seal.hash)); rc = sov_blake3_update(addr(seal.hash), response_json, response_len); rc = sov_blake3_finalize(addr(seal.hash), addr(hash_out), BLAKE3_HASH_LEN); /* Step 8: Sign with Ed25519 ──────────────────────────────────*/ rc = sov_bifrost_sign(addr(response_json), response_len, addr(seal.hash), addr(sig_out)); seal.hash = hash_out; seal.timestamp = get_timestamp(); seal.is_valid = '1'b; seal.label = 'SovMetaSearch'; seal.artifact_id = hash_out; /* Step 9: Return sealed payload ──────────────────────────────*/ return(payload_ptr); end SovMetaSearch; /* ════════════════════════════════════════════════════════════════ 2. Helper: Build JSON Response ════════════════════════════════════════════════════════════════ */ build_json_response: procedure( synthesis type synthesis_result, query char(*), confidence float, num_chunks fixed bin(31) ) returns (char(MAX_RESPONSE_LEN)); declare response char(MAX_RESPONSE_LEN); declare pos fixed bin(31); declare i fixed bin(31); declare conf_str char(32); pos = 1; /* Build JSON ─────────────────────────────────────────────────*/ response = '{"query":"' || trim(query) || '",'; pos = length(trim(response)); response = response || '"answer":"' || trim(synthesis.answer) || '",'; response = response || '"confidence":' || trim(conf_str) || ','; response = response || '"chunks_used":' || trim(num_chunks) || ','; response = response || '"follow_ups":['; do i = 1 to synthesis.num_followups; if i > 1 then response = response || ','; response = response || '"' || trim(synthesis.follow_ups(i)) || '"'; end; response = response || '],'; response = response || '"worm_attested":true,'; response = response || '"timestamp":' || trim(get_timestamp_str()) || '}'; return(response); end build_json_response; /* ════════════════════════════════════════════════════════════════ 3. Helper: Get Timestamp ════════════════════════════════════════════════════════════════ */ get_timestamp: procedure returns (fixed bin(63)); declare now fixed bin(31); declare secs fixed bin(31); call system_timestamp(now, secs); return(fixed(now, 63, 0)); end get_timestamp; get_timestamp_str: procedure returns (char(32)); declare ts fixed bin(63); declare result char(32); ts = get_timestamp(); result = ts; return(result); end get_timestamp_str; /* ════════════════════════════════════════════════════════════════ 4. System Timestamp (IBM System z / z/OS standard) ════════════════════════════════════════════════════════════════ */ system_timestamp: procedure(now fixed bin, secs fixed bin); /* On production z/OS: use CVT and TOD clock For portable: use C gmtime via CBL_NIST_TIMESTAMP */ declare rc fixed bin; declare tod_value fixed bin(63); call get_time_of_day(tod_value); now = trunc(tod_value / 1_000_000_000); secs = now; end system_timestamp; get_time_of_day: procedure(tod fixed bin(63)); /* Fortran runtime provides this via intrinsics On z/OS: system_clock or custom TOD read */ declare cnt fixed bin(31); call system_clock(cnt); tod = fixed(cnt, 63, 0); end get_time_of_day; end SovMetaAgent;