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Alexander Whitestone
3f4515db38 feat(memory): add grounded observation synthesis layer
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2026-04-22 11:20:42 -04:00
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# TensorZero Evaluation Packet
Issue #860: [tensorzero LLMOps platform evaluation](https://forge.alexanderwhitestone.com/Timmy_Foundation/hermes-agent/issues/860)
## Scope
This packet evaluates TensorZero as a possible replacement for Hermes' custom provider-routing stack.
It is intentionally grounded in the current repo state rather than a speculative cutover plan.
## Issue requirements being evaluated
- Deploy tensorzero gateway (Rust binary)
- Migrate provider routing config
- Test with canary (10% traffic) before full cutover
- Feed session data for prompt optimization
- Evaluation suite for A/B testing models
## Recommendation
Not ready for direct replacement. Recommend a shadow-evaluation phase first: keep Hermes routing live, inventory the migration seams, export SessionDB/trajectory data into an offline TensorZero experiment loop, and only design a canary gateway once percentage-based rollout controls exist.
## Requirement matrix
| Requirement | Status | Evidence labels | Summary |
| --- | --- | --- | --- |
| Gateway replacement scope | partial | fallback_chain, runtime_provider, gateway_provider_routing, cron_runtime_provider, auxiliary_fallback_chain, delegate_runtime_provider | Hermes already spreads provider routing across core agent, runtime provider, gateway, cron, auxiliary, and delegation seams; TensorZero would need parity across all of them before it can replace the gateway layer. |
| Config migration | partial | provider_routing_config, runtime_provider, smart_model_routing, fallback_chain | Hermes has multiple config concepts to migrate (`provider_routing`, `fallback_providers`, `smart_model_routing`, runtime provider resolution), so TensorZero is not a drop-in config swap. |
| 10% traffic canary | gap | — | The repo shows semantic routing and fallback, but no grounded 10% traffic-split canary mechanism. A TensorZero cutover would need new percentage-based rollout controls and observability hooks. |
| Session data for prompt optimization | partial | session_db, trajectory_export | Hermes already has SessionDB and trajectory export surfaces that can feed offline optimization data, but not a TensorZero-native ingestion path yet. |
| Evaluation suite / A/B testing | partial | benchmark_suite, trajectory_export | Hermes already has benchmark/trajectory machinery that can seed TensorZero A/B evaluation, but no integrated TensorZero experiment runner or live evaluation gateway. |
## Grounded Hermes touchpoints
- `run_agent.py:601` — [fallback_chain] fallback_model: Dict[str, Any] = None,
- `run_agent.py:995` — [fallback_chain] # failure). Supports both legacy single-dict ``fallback_model`` and
- `run_agent.py:996` — [fallback_chain] # new list ``fallback_providers`` format.
- `run_agent.py:997` — [fallback_chain] if isinstance(fallback_model, list):
- `run_agent.py:998` — [fallback_chain] self._fallback_chain = [
- `run_agent.py:999` — [fallback_chain] f for f in fallback_model
- `run_agent.py:1002` — [fallback_chain] elif isinstance(fallback_model, dict) and fallback_model.get("provider") and fallback_model.get("model"):
- `run_agent.py:1003` — [fallback_chain] self._fallback_chain = [fallback_model]
- `run_agent.py:1005` — [fallback_chain] self._fallback_chain = []
- `run_agent.py:1009` — [fallback_chain] self._fallback_model = self._fallback_chain[0] if self._fallback_chain else None
- `run_agent.py:1010` — [fallback_chain] if self._fallback_chain and not self.quiet_mode:
- `run_agent.py:1011` — [fallback_chain] if len(self._fallback_chain) == 1:
- `run_agent.py:1012` — [fallback_chain] fb = self._fallback_chain[0]
- `run_agent.py:1015` — [fallback_chain] print(f"🔄 Fallback chain ({len(self._fallback_chain)} providers): " +
- `run_agent.py:1016` — [fallback_chain] " → ".join(f"{f['model']} ({f['provider']})" for f in self._fallback_chain))
- `run_agent.py:5624` — [fallback_chain] if self._fallback_index >= len(self._fallback_chain):
- `run_agent.py:5627` — [fallback_chain] fb = self._fallback_chain[self._fallback_index]
- `run_agent.py:8559` — [fallback_chain] if self._fallback_index < len(self._fallback_chain):
- `run_agent.py:9355` — [fallback_chain] if is_rate_limited and self._fallback_index < len(self._fallback_chain):
- `run_agent.py:10460` — [fallback_chain] if _truly_empty and self._fallback_chain:
- `run_agent.py:10514` — [fallback_chain] + (" and fallback attempts." if self._fallback_chain else
- `cli.py:241` — [provider_routing_config] "smart_model_routing": {
- `cli.py:370` — [provider_routing_config] # (e.g. platform_toolsets, provider_routing, memory, honcho, etc.)
- `cli.py:1753` — [provider_routing_config] pr = CLI_CONFIG.get("provider_routing", {}) or {}
- `cli.py:1762` — [provider_routing_config] # Supports new list format (fallback_providers) and legacy single-dict (fallback_model).
- `cli.py:1763` — [provider_routing_config] fb = CLI_CONFIG.get("fallback_providers") or CLI_CONFIG.get("fallback_model") or []
- `cli.py:1770` — [provider_routing_config] self._smart_model_routing = CLI_CONFIG.get("smart_model_routing", {}) or {}
- `cli.py:2771` — [provider_routing_config] from agent.smart_model_routing import resolve_turn_route
- `cli.py:2776` — [provider_routing_config] self._smart_model_routing,
- `hermes_cli/runtime_provider.py:209` — [runtime_provider] def resolve_requested_provider(requested: Optional[str] = None) -> str:
- `hermes_cli/runtime_provider.py:649` — [runtime_provider] def resolve_runtime_provider(
- `agent/smart_model_routing.py:62` — [smart_model_routing] def choose_cheap_model_route(user_message: str, routing_config: Optional[Dict[str, Any]]) -> Optional[Dict[str, Any]]:
- `agent/smart_model_routing.py:110` — [smart_model_routing] def resolve_turn_route(user_message: str, routing_config: Optional[Dict[str, Any]], primary: Dict[str, Any]) -> Dict[str, Any]:
- `gateway/run.py:1271` — [gateway_provider_routing] def _load_provider_routing() -> dict:
- `gateway/run.py:1285` — [gateway_provider_routing] def _load_fallback_model() -> list | dict | None:
- `gateway/run.py:1306` — [gateway_provider_routing] def _load_smart_model_routing() -> dict:
- `cron/scheduler.py:684` — [cron_runtime_provider] pr = _cfg.get("provider_routing", {})
- `cron/scheduler.py:688` — [cron_runtime_provider] resolve_runtime_provider,
- `cron/scheduler.py:697` — [cron_runtime_provider] runtime = resolve_runtime_provider(**runtime_kwargs)
- `cron/scheduler.py:702` — [cron_runtime_provider] from agent.smart_model_routing import resolve_turn_route
- `cron/scheduler.py:703` — [cron_runtime_provider] turn_route = resolve_turn_route(
- `cron/scheduler.py:717` — [cron_runtime_provider] fallback_model = _cfg.get("fallback_providers") or _cfg.get("fallback_model") or None
- `cron/scheduler.py:746` — [cron_runtime_provider] fallback_model=fallback_model,
- `agent/auxiliary_client.py:1018` — [auxiliary_fallback_chain] def _get_provider_chain() -> List[tuple]:
- `agent/auxiliary_client.py:1107` — [auxiliary_fallback_chain] for label, try_fn in _get_provider_chain():
- `agent/auxiliary_client.py:1189` — [auxiliary_fallback_chain] # ── Step 2: aggregator / fallback chain ──────────────────────────────
- `agent/auxiliary_client.py:1191` — [auxiliary_fallback_chain] for label, try_fn in _get_provider_chain():
- `agent/auxiliary_client.py:2397` — [auxiliary_fallback_chain] # error, fall through to the fallback chain below.
- `agent/auxiliary_client.py:2417` — [auxiliary_fallback_chain] # auto (the default) = best-effort fallback chain. (#7559)
- `agent/auxiliary_client.py:2589` — [auxiliary_fallback_chain] # error, fall through to the fallback chain below.
- `tools/delegate_tool.py:662` — [delegate_runtime_provider] # bundle (base_url, api_key, api_mode) via the same runtime provider system
- `tools/delegate_tool.py:854` — [delegate_runtime_provider] provider) is resolved via the runtime provider system — the same path used
- `tools/delegate_tool.py:909` — [delegate_runtime_provider] from hermes_cli.runtime_provider import resolve_runtime_provider
- `tools/delegate_tool.py:910` — [delegate_runtime_provider] runtime = resolve_runtime_provider(requested=configured_provider)
- `hermes_state.py:115` — [session_db] class SessionDB:
- `batch_runner.py:320` — [trajectory_export] save_trajectories=False, # We handle saving ourselves
- `batch_runner.py:346` — [trajectory_export] trajectory = agent._convert_to_trajectory_format(
- `batch_runner.py:460` — [trajectory_export] trajectory_entry = {
- `batch_runner.py:474` — [trajectory_export] f.write(json.dumps(trajectory_entry, ensure_ascii=False) + "\n")
- `benchmarks/tool_call_benchmark.py:3` — [benchmark_suite] Tool-Calling Benchmark — Gemma 4 vs mimo-v2-pro regression test.
- `benchmarks/tool_call_benchmark.py:9` — [benchmark_suite] python3 benchmarks/tool_call_benchmark.py # full 100-call suite
- `benchmarks/tool_call_benchmark.py:10` — [benchmark_suite] python3 benchmarks/tool_call_benchmark.py --limit 10 # quick smoke test
- `benchmarks/tool_call_benchmark.py:11` — [benchmark_suite] python3 benchmarks/tool_call_benchmark.py --models nous # single model
- `benchmarks/tool_call_benchmark.py:12` — [benchmark_suite] python3 benchmarks/tool_call_benchmark.py --category file # single category
- `benchmarks/tool_call_benchmark.py:37` — [benchmark_suite] class ToolCall:
- `benchmarks/tool_call_benchmark.py:51` — [benchmark_suite] ToolCall("file-01", "file", "Read the file /tmp/test_bench.txt and show me its contents.",
- `benchmarks/tool_call_benchmark.py:53` — [benchmark_suite] ToolCall("file-02", "file", "Write 'hello benchmark' to /tmp/test_bench_out.txt",
- `benchmarks/tool_call_benchmark.py:55` — [benchmark_suite] ToolCall("file-03", "file", "Search for the word 'import' in all Python files in the current directory.",
- `benchmarks/tool_call_benchmark.py:57` — [benchmark_suite] ToolCall("file-04", "file", "Read lines 1-20 of /etc/hosts",
- `benchmarks/tool_call_benchmark.py:59` — [benchmark_suite] ToolCall("file-05", "file", "Patch /tmp/test_bench_out.txt: replace 'hello' with 'goodbye'",
- `benchmarks/tool_call_benchmark.py:61` — [benchmark_suite] ToolCall("file-06", "file", "Search for files matching *.py in the current directory.",
- `benchmarks/tool_call_benchmark.py:63` — [benchmark_suite] ToolCall("file-07", "file", "Read the first 10 lines of /etc/passwd",
- `benchmarks/tool_call_benchmark.py:65` — [benchmark_suite] ToolCall("file-08", "file", "Write a JSON config to /tmp/bench_config.json with key 'debug': true",
- `benchmarks/tool_call_benchmark.py:67` — [benchmark_suite] ToolCall("file-09", "file", "Search for 'def test_' in Python test files.",
- `benchmarks/tool_call_benchmark.py:69` — [benchmark_suite] ToolCall("file-10", "file", "Read /tmp/bench_config.json and tell me what's in it.",
- `benchmarks/tool_call_benchmark.py:71` — [benchmark_suite] ToolCall("file-11", "file", "Create a file /tmp/bench_readme.md with one line: '# Benchmark'",
- `benchmarks/tool_call_benchmark.py:73` — [benchmark_suite] ToolCall("file-12", "file", "Search for 'TODO' comments in all .py files.",
- `benchmarks/tool_call_benchmark.py:75` — [benchmark_suite] ToolCall("file-13", "file", "Read /tmp/bench_readme.md",
- `benchmarks/tool_call_benchmark.py:77` — [benchmark_suite] ToolCall("file-14", "file", "Patch /tmp/bench_readme.md: replace '# Benchmark' with '# Tool Benchmark'",
- `benchmarks/tool_call_benchmark.py:78` — [benchmark_suite] "patch", "Tool Benchmark"),
- `benchmarks/tool_call_benchmark.py:79` — [benchmark_suite] ToolCall("file-15", "file", "Write a Python one-liner to /tmp/bench_hello.py that prints hello.",
- `benchmarks/tool_call_benchmark.py:81` — [benchmark_suite] ToolCall("file-16", "file", "Search for all .json files in /tmp/.",
- `benchmarks/tool_call_benchmark.py:83` — [benchmark_suite] ToolCall("file-17", "file", "Read /tmp/bench_hello.py and verify it has print('hello').",
- `benchmarks/tool_call_benchmark.py:85` — [benchmark_suite] ToolCall("file-18", "file", "Patch /tmp/bench_hello.py to print 'hello world' instead of 'hello'.",
- `benchmarks/tool_call_benchmark.py:87` — [benchmark_suite] ToolCall("file-19", "file", "List files matching 'bench*' in /tmp/.",
- `benchmarks/tool_call_benchmark.py:89` — [benchmark_suite] ToolCall("file-20", "file", "Read /tmp/test_bench.txt again and summarize its contents.",
- `benchmarks/tool_call_benchmark.py:93` — [benchmark_suite] ToolCall("term-01", "terminal", "Run `echo hello world` in the terminal.",
- `benchmarks/tool_call_benchmark.py:95` — [benchmark_suite] ToolCall("term-02", "terminal", "Run `date` to get the current date and time.",
- `benchmarks/tool_call_benchmark.py:97` — [benchmark_suite] ToolCall("term-03", "terminal", "Run `uname -a` to get system information.",
- `benchmarks/tool_call_benchmark.py:99` — [benchmark_suite] ToolCall("term-04", "terminal", "Run `pwd` to show the current directory.",
- `benchmarks/tool_call_benchmark.py:101` — [benchmark_suite] ToolCall("term-05", "terminal", "Run `ls -la /tmp/ | head -20` to list temp files.",
- `benchmarks/tool_call_benchmark.py:103` — [benchmark_suite] ToolCall("term-06", "terminal", "Run `whoami` to show the current user.",
- `benchmarks/tool_call_benchmark.py:105` — [benchmark_suite] ToolCall("term-07", "terminal", "Run `df -h` to show disk usage.",
- `benchmarks/tool_call_benchmark.py:107` — [benchmark_suite] ToolCall("term-08", "terminal", "Run `python3 --version` to check Python version.",
- `benchmarks/tool_call_benchmark.py:109` — [benchmark_suite] ToolCall("term-09", "terminal", "Run `cat /etc/hostname` to get the hostname.",
- `benchmarks/tool_call_benchmark.py:111` — [benchmark_suite] ToolCall("term-10", "terminal", "Run `uptime` to see system uptime.",
- `benchmarks/tool_call_benchmark.py:113` — [benchmark_suite] ToolCall("term-11", "terminal", "Run `env | grep PATH` to show the PATH variable.",
- `benchmarks/tool_call_benchmark.py:115` — [benchmark_suite] ToolCall("term-12", "terminal", "Run `wc -l /etc/passwd` to count lines.",
- `benchmarks/tool_call_benchmark.py:117` — [benchmark_suite] ToolCall("term-13", "terminal", "Run `echo $SHELL` to show the current shell.",
- `benchmarks/tool_call_benchmark.py:119` — [benchmark_suite] ToolCall("term-14", "terminal", "Run `free -h || vm_stat` to check memory usage.",
- `benchmarks/tool_call_benchmark.py:121` — [benchmark_suite] ToolCall("term-15", "terminal", "Run `id` to show user and group IDs.",
- `benchmarks/tool_call_benchmark.py:123` — [benchmark_suite] ToolCall("term-16", "terminal", "Run `hostname` to get the machine hostname.",
- `benchmarks/tool_call_benchmark.py:125` — [benchmark_suite] ToolCall("term-17", "terminal", "Run `echo {1..5}` to test brace expansion.",
- `benchmarks/tool_call_benchmark.py:127` — [benchmark_suite] ToolCall("term-18", "terminal", "Run `seq 1 5` to generate a number sequence.",
- `benchmarks/tool_call_benchmark.py:129` — [benchmark_suite] ToolCall("term-19", "terminal", "Run `python3 -c 'print(2+2)'` to compute 2+2.",
- `benchmarks/tool_call_benchmark.py:131` — [benchmark_suite] ToolCall("term-20", "terminal", "Run `ls -d /tmp/bench* 2>/dev/null | wc -l` to count bench files.",
- `benchmarks/tool_call_benchmark.py:135` — [benchmark_suite] ToolCall("code-01", "code", "Execute a Python script that computes factorial of 10.",
- `benchmarks/tool_call_benchmark.py:137` — [benchmark_suite] ToolCall("code-02", "code", "Run Python to read /tmp/test_bench.txt and count its words.",
- `benchmarks/tool_call_benchmark.py:139` — [benchmark_suite] ToolCall("code-03", "code", "Execute Python to generate the first 20 Fibonacci numbers.",
- `benchmarks/tool_call_benchmark.py:141` — [benchmark_suite] ToolCall("code-04", "code", "Run Python to parse JSON from a string and print keys.",
- `benchmarks/tool_call_benchmark.py:143` — [benchmark_suite] ToolCall("code-05", "code", "Execute Python to list all files in /tmp/ matching 'bench*'.",
- `benchmarks/tool_call_benchmark.py:145` — [benchmark_suite] ToolCall("code-06", "code", "Run Python to compute the sum of squares from 1 to 100.",
- `benchmarks/tool_call_benchmark.py:147` — [benchmark_suite] ToolCall("code-07", "code", "Execute Python to check if 'racecar' is a palindrome.",
- `benchmarks/tool_call_benchmark.py:149` — [benchmark_suite] ToolCall("code-08", "code", "Run Python to create a CSV string with 5 rows of sample data.",
- `benchmarks/tool_call_benchmark.py:151` — [benchmark_suite] ToolCall("code-09", "code", "Execute Python to sort a list [5,2,8,1,9] and print the result.",
- `benchmarks/tool_call_benchmark.py:153` — [benchmark_suite] ToolCall("code-10", "code", "Run Python to count lines in /etc/passwd.",
- `benchmarks/tool_call_benchmark.py:155` — [benchmark_suite] ToolCall("code-11", "code", "Execute Python to hash the string 'benchmark' with SHA256.",
- `benchmarks/tool_call_benchmark.py:157` — [benchmark_suite] ToolCall("code-12", "code", "Run Python to get the current UTC timestamp.",
- `benchmarks/tool_call_benchmark.py:159` — [benchmark_suite] ToolCall("code-13", "code", "Execute Python to convert 'hello world' to uppercase and reverse it.",
- `benchmarks/tool_call_benchmark.py:161` — [benchmark_suite] ToolCall("code-14", "code", "Run Python to create a dictionary of system info (platform, python version).",
- `benchmarks/tool_call_benchmark.py:163` — [benchmark_suite] ToolCall("code-15", "code", "Execute Python to check internet connectivity by resolving google.com.",
- `benchmarks/tool_call_benchmark.py:167` — [benchmark_suite] ToolCall("deleg-01", "delegate", "Use a subagent to find all .log files in /tmp/.",
- `benchmarks/tool_call_benchmark.py:169` — [benchmark_suite] ToolCall("deleg-02", "delegate", "Delegate to a subagent: what is 15 * 37?",
- `benchmarks/tool_call_benchmark.py:171` — [benchmark_suite] ToolCall("deleg-03", "delegate", "Use a subagent to check if Python 3 is installed and its version.",
- `benchmarks/tool_call_benchmark.py:173` — [benchmark_suite] ToolCall("deleg-04", "delegate", "Delegate: read /tmp/test_bench.txt and summarize it in one sentence.",
- `benchmarks/tool_call_benchmark.py:175` — [benchmark_suite] ToolCall("deleg-05", "delegate", "Use a subagent to list the contents of /tmp/ directory.",
- `benchmarks/tool_call_benchmark.py:177` — [benchmark_suite] ToolCall("deleg-06", "delegate", "Delegate: count the number of .py files in the current directory.",
- `benchmarks/tool_call_benchmark.py:179` — [benchmark_suite] ToolCall("deleg-07", "delegate", "Use a subagent to check disk space with df -h.",
- `benchmarks/tool_call_benchmark.py:181` — [benchmark_suite] ToolCall("deleg-08", "delegate", "Delegate: what OS are we running on?",
- `benchmarks/tool_call_benchmark.py:183` — [benchmark_suite] ToolCall("deleg-09", "delegate", "Use a subagent to find the hostname of this machine.",
- `benchmarks/tool_call_benchmark.py:185` — [benchmark_suite] ToolCall("deleg-10", "delegate", "Delegate: create a temp file /tmp/bench_deleg.txt with 'done'.",
- `benchmarks/tool_call_benchmark.py:189` — [benchmark_suite] ToolCall("todo-01", "todo", "Add a todo item: 'Run benchmark suite'",
- `benchmarks/tool_call_benchmark.py:190` — [benchmark_suite] "todo", "benchmark"),
- `benchmarks/tool_call_benchmark.py:191` — [benchmark_suite] ToolCall("todo-02", "todo", "Show me the current todo list.",
- `benchmarks/tool_call_benchmark.py:193` — [benchmark_suite] ToolCall("todo-03", "todo", "Mark the first todo item as completed.",
- `benchmarks/tool_call_benchmark.py:195` — [benchmark_suite] ToolCall("todo-04", "todo", "Add a todo: 'Review benchmark results' with status pending.",
- `benchmarks/tool_call_benchmark.py:197` — [benchmark_suite] ToolCall("todo-05", "todo", "Clear all completed todos.",
- `benchmarks/tool_call_benchmark.py:199` — [benchmark_suite] ToolCall("todo-06", "memory", "Save this to memory: 'benchmark ran on {date}'".format(
- `benchmarks/tool_call_benchmark.py:201` — [benchmark_suite] "memory", "benchmark"),
- `benchmarks/tool_call_benchmark.py:202` — [benchmark_suite] ToolCall("todo-07", "memory", "Search memory for 'benchmark'.",
- `benchmarks/tool_call_benchmark.py:203` — [benchmark_suite] "memory", "benchmark"),
- `benchmarks/tool_call_benchmark.py:204` — [benchmark_suite] ToolCall("todo-08", "memory", "Add a memory note: 'test models are gemma-4 and mimo-v2-pro'.",
- `benchmarks/tool_call_benchmark.py:206` — [benchmark_suite] ToolCall("todo-09", "todo", "Add three todo items: 'analyze', 'report', 'cleanup'.",
- `benchmarks/tool_call_benchmark.py:208` — [benchmark_suite] ToolCall("todo-10", "memory", "Search memory for any notes about models.",
- `benchmarks/tool_call_benchmark.py:212` — [benchmark_suite] ToolCall("skill-01", "skills", "List all available skills.",
- `benchmarks/tool_call_benchmark.py:214` — [benchmark_suite] ToolCall("skill-02", "skills", "View the skill called 'test-driven-development'.",
- `benchmarks/tool_call_benchmark.py:216` — [benchmark_suite] ToolCall("skill-03", "skills", "Search for skills related to 'git'.",
- `benchmarks/tool_call_benchmark.py:218` — [benchmark_suite] ToolCall("skill-04", "skills", "View the 'code-review' skill.",
- `benchmarks/tool_call_benchmark.py:220` — [benchmark_suite] ToolCall("skill-05", "skills", "List all skills in the 'devops' category.",
- `benchmarks/tool_call_benchmark.py:222` — [benchmark_suite] ToolCall("skill-06", "skills", "View the 'systematic-debugging' skill.",
- `benchmarks/tool_call_benchmark.py:224` — [benchmark_suite] ToolCall("skill-07", "skills", "Search for skills about 'testing'.",
- `benchmarks/tool_call_benchmark.py:226` — [benchmark_suite] ToolCall("skill-08", "skills", "View the 'writing-plans' skill.",
- `benchmarks/tool_call_benchmark.py:228` — [benchmark_suite] ToolCall("skill-09", "skills", "List skills in 'software-development' category.",
- `benchmarks/tool_call_benchmark.py:230` — [benchmark_suite] ToolCall("skill-10", "skills", "View the 'pr-review-discipline' skill.",
- `benchmarks/tool_call_benchmark.py:234` — [benchmark_suite] ToolCall("file-21", "file", "Write a Python snippet to /tmp/bench_sort.py that sorts [3,1,2].",
- `benchmarks/tool_call_benchmark.py:236` — [benchmark_suite] ToolCall("file-22", "file", "Read /tmp/bench_sort.py back and confirm it exists.",
- `benchmarks/tool_call_benchmark.py:238` — [benchmark_suite] ToolCall("file-23", "file", "Search for 'class' in all .py files in the benchmarks directory.",
- `benchmarks/tool_call_benchmark.py:240` — [benchmark_suite] ToolCall("term-21", "terminal", "Run `cat /etc/os-release 2>/dev/null || sw_vers 2>/dev/null` for OS info.",
- `benchmarks/tool_call_benchmark.py:242` — [benchmark_suite] ToolCall("term-22", "terminal", "Run `nproc 2>/dev/null || sysctl -n hw.ncpu 2>/dev/null` for CPU count.",
- `benchmarks/tool_call_benchmark.py:244` — [benchmark_suite] ToolCall("code-16", "code", "Execute Python to flatten a nested list [[1,2],[3,4],[5]].",
- `benchmarks/tool_call_benchmark.py:246` — [benchmark_suite] ToolCall("code-17", "code", "Run Python to check if a number 17 is prime.",
- `benchmarks/tool_call_benchmark.py:248` — [benchmark_suite] ToolCall("deleg-11", "delegate", "Delegate: what is the current working directory?",
- `benchmarks/tool_call_benchmark.py:250` — [benchmark_suite] ToolCall("todo-11", "todo", "Add a todo: 'Finalize benchmark report' status pending.",
- `benchmarks/tool_call_benchmark.py:252` — [benchmark_suite] ToolCall("todo-12", "memory", "Store fact: 'benchmark categories: file, terminal, code, delegate, todo, memory, skills'.",
- `benchmarks/tool_call_benchmark.py:254` — [benchmark_suite] ToolCall("skill-11", "skills", "Search for skills about 'deployment'.",
- `benchmarks/tool_call_benchmark.py:256` — [benchmark_suite] ToolCall("skill-12", "skills", "View the 'gitea-burn-cycle' skill.",
- `benchmarks/tool_call_benchmark.py:258` — [benchmark_suite] ToolCall("skill-13", "skills", "List all available skill categories.",
- `benchmarks/tool_call_benchmark.py:260` — [benchmark_suite] ToolCall("skill-14", "skills", "Search for skills related to 'memory'.",
- `benchmarks/tool_call_benchmark.py:262` — [benchmark_suite] ToolCall("skill-15", "skills", "View the 'mimo-swarm' skill.",
- `benchmarks/tool_call_benchmark.py:311` — [benchmark_suite] """Create prerequisite files for the benchmark."""
- `benchmarks/tool_call_benchmark.py:313` — [benchmark_suite] "This is a benchmark test file.\n"
- `benchmarks/tool_call_benchmark.py:349` — [benchmark_suite] "You are a benchmark test runner. Execute the user's request by calling "
- `benchmarks/tool_call_benchmark.py:406` — [benchmark_suite] """Generate markdown benchmark report."""
- `benchmarks/tool_call_benchmark.py:428` — [benchmark_suite] f"# Tool-Calling Benchmark Report",
- `benchmarks/tool_call_benchmark.py:535` — [benchmark_suite] parser = argparse.ArgumentParser(description="Tool-calling benchmark")
- `benchmarks/tool_call_benchmark.py:544` — [benchmark_suite] help="Output report path (default: benchmarks/gemma4-tool-calling-YYYY-MM-DD.md)")
- `benchmarks/tool_call_benchmark.py:565` — [benchmark_suite] output_path = Path(args.output) if args.output else REPO_ROOT / "benchmarks" / f"gemma4-tool-calling-{date_str}.md"
- `benchmarks/tool_call_benchmark.py:575` — [benchmark_suite] print(f"Benchmark: {len(suite)} tests × {len(model_specs)} models = {len(suite) * len(model_specs)} calls")
## Suggested next slice
1. Build an exporter that emits SessionDB + trajectory data into a TensorZero-friendly offline dataset.
2. Define percentage-based canary controls before attempting any gateway replacement.
3. Keep Hermes routing authoritative until TensorZero proves parity across CLI, gateway, cron, auxiliary, and delegation surfaces.

View File

@@ -26,6 +26,7 @@ from agent.memory_provider import MemoryProvider
from tools.registry import tool_error
from .store import MemoryStore
from .retrieval import FactRetriever
from .observations import ObservationSynthesizer
logger = logging.getLogger(__name__)
@@ -37,28 +38,29 @@ logger = logging.getLogger(__name__)
FACT_STORE_SCHEMA = {
"name": "fact_store",
"description": (
"Deep structured memory with algebraic reasoning. "
"Deep structured memory with algebraic reasoning and grounded observation synthesis. "
"Use alongside the memory tool — memory for always-on context, "
"fact_store for deep recall and compositional queries.\n\n"
"fact_store for deep recall, compositional queries, and higher-order observations.\n\n"
"ACTIONS (simple → powerful):\n"
"• add — Store a fact the user would expect you to remember.\n"
"• search — Keyword lookup ('editor config', 'deploy process').\n"
"• probe — Entity recall: ALL facts about a person/thing.\n"
"• related — What connects to an entity? Structural adjacency.\n"
"• reason — Compositional: facts connected to MULTIPLE entities simultaneously.\n"
"• observe — Synthesized higher-order observations backed by supporting facts.\n"
"• contradict — Memory hygiene: find facts making conflicting claims.\n"
"• update/remove/list — CRUD operations.\n\n"
"IMPORTANT: Before answering questions about the user, ALWAYS probe or reason first."
"IMPORTANT: Before answering questions about the user, ALWAYS probe/reason/observe first."
),
"parameters": {
"type": "object",
"properties": {
"action": {
"type": "string",
"enum": ["add", "search", "probe", "related", "reason", "contradict", "update", "remove", "list"],
"enum": ["add", "search", "probe", "related", "reason", "observe", "contradict", "update", "remove", "list"],
},
"content": {"type": "string", "description": "Fact content (required for 'add')."},
"query": {"type": "string", "description": "Search query (required for 'search')."},
"query": {"type": "string", "description": "Search query (required for 'search'/'observe')."},
"entity": {"type": "string", "description": "Entity name for 'probe'/'related'."},
"entities": {"type": "array", "items": {"type": "string"}, "description": "Entity names for 'reason'."},
"fact_id": {"type": "integer", "description": "Fact ID for 'update'/'remove'."},
@@ -66,6 +68,12 @@ FACT_STORE_SCHEMA = {
"tags": {"type": "string", "description": "Comma-separated tags."},
"trust_delta": {"type": "number", "description": "Trust adjustment for 'update'."},
"min_trust": {"type": "number", "description": "Minimum trust filter (default: 0.3)."},
"min_confidence": {"type": "number", "description": "Minimum observation confidence (default: 0.6)."},
"observation_type": {
"type": "string",
"enum": ["recurring_preference", "stable_direction", "behavioral_pattern"],
"description": "Optional observation type filter for 'observe'.",
},
"limit": {"type": "integer", "description": "Max results (default: 10)."},
},
"required": ["action"],
@@ -118,7 +126,9 @@ class HolographicMemoryProvider(MemoryProvider):
self._config = config or _load_plugin_config()
self._store = None
self._retriever = None
self._observation_synth = None
self._min_trust = float(self._config.get("min_trust_threshold", 0.3))
self._observation_min_confidence = float(self._config.get("observation_min_confidence", 0.6))
@property
def name(self) -> str:
@@ -177,6 +187,7 @@ class HolographicMemoryProvider(MemoryProvider):
hrr_weight=hrr_weight,
hrr_dim=hrr_dim,
)
self._observation_synth = ObservationSynthesizer(self._store)
self._session_id = session_id
def system_prompt_block(self) -> str:
@@ -193,30 +204,76 @@ class HolographicMemoryProvider(MemoryProvider):
"# Holographic Memory\n"
"Active. Empty fact store — proactively add facts the user would expect you to remember.\n"
"Use fact_store(action='add') to store durable structured facts about people, projects, preferences, decisions.\n"
"Use fact_store(action='observe') to synthesize higher-order observations with evidence.\n"
"Use fact_feedback to rate facts after using them (trains trust scores)."
)
return (
f"# Holographic Memory\n"
f"Active. {total} facts stored with entity resolution and trust scoring.\n"
f"Use fact_store to search, probe entities, reason across entities, or add facts.\n"
f"Use fact_store to search, probe entities, reason across entities, or synthesize observations.\n"
f"Use fact_feedback to rate facts after using them (trains trust scores)."
)
def prefetch(self, query: str, *, session_id: str = "") -> str:
if not self._retriever or not query:
if not query:
return ""
parts = []
raw_results = []
try:
results = self._retriever.search(query, min_trust=self._min_trust, limit=5)
if not results:
return ""
if self._retriever:
raw_results = self._retriever.search(query, min_trust=self._min_trust, limit=5)
except Exception as e:
logger.debug("Holographic prefetch fact search failed: %s", e)
raw_results = []
observations = []
try:
if self._observation_synth:
observations = self._observation_synth.observe(
query,
min_confidence=self._observation_min_confidence,
limit=3,
refresh=True,
)
except Exception as e:
logger.debug("Holographic prefetch observation search failed: %s", e)
observations = []
if not raw_results and observations:
seen_fact_ids = set()
evidence_backfill = []
for observation in observations:
for evidence in observation.get("evidence", []):
fact_id = evidence.get("fact_id")
if fact_id in seen_fact_ids:
continue
seen_fact_ids.add(fact_id)
evidence_backfill.append(evidence)
raw_results = evidence_backfill[:5]
if raw_results:
lines = []
for r in results:
for r in raw_results:
trust = r.get("trust_score", r.get("trust", 0))
lines.append(f"- [{trust:.1f}] {r.get('content', '')}")
return "## Holographic Memory\n" + "\n".join(lines)
except Exception as e:
logger.debug("Holographic prefetch failed: %s", e)
return ""
parts.append("## Holographic Memory\n" + "\n".join(lines))
if observations:
lines = []
for observation in observations:
evidence_ids = ", ".join(
f"#{item['fact_id']}" for item in observation.get("evidence", [])[:3]
) or "none"
lines.append(
f"- [{observation.get('confidence', 0.0):.2f}] "
f"{observation.get('observation_type', 'observation')}: "
f"{observation.get('summary', '')} "
f"(evidence: {evidence_ids})"
)
parts.append("## Holographic Observations\n" + "\n".join(lines))
return "\n\n".join(parts)
def sync_turn(self, user_content: str, assistant_content: str, *, session_id: str = "") -> None:
# Holographic memory stores explicit facts via tools, not auto-sync.
@@ -252,6 +309,7 @@ class HolographicMemoryProvider(MemoryProvider):
def shutdown(self) -> None:
self._store = None
self._retriever = None
self._observation_synth = None
# -- Tool handlers -------------------------------------------------------
@@ -305,6 +363,19 @@ class HolographicMemoryProvider(MemoryProvider):
)
return json.dumps({"results": results, "count": len(results)})
elif action == "observe":
synthesizer = self._observation_synth
if not synthesizer:
return tool_error("Observation synthesizer is not initialized")
observations = synthesizer.observe(
args.get("query", ""),
observation_type=args.get("observation_type"),
min_confidence=float(args.get("min_confidence", self._observation_min_confidence)),
limit=int(args.get("limit", 10)),
refresh=True,
)
return json.dumps({"observations": observations, "count": len(observations)})
elif action == "contradict":
results = retriever.contradict(
category=args.get("category"),

View File

@@ -0,0 +1,249 @@
"""Higher-order observation synthesis for holographic memory.
Builds grounded observations from accumulated facts and keeps them in a
separate retrieval layer with explicit evidence links back to supporting facts.
"""
from __future__ import annotations
import re
from typing import Any
from .store import MemoryStore
_TOKEN_RE = re.compile(r"[a-z0-9_]+")
_HIGHER_ORDER_CUES = {
"prefer",
"preference",
"preferences",
"style",
"pattern",
"patterns",
"behavior",
"behaviour",
"habit",
"habits",
"workflow",
"direction",
"trajectory",
"strategy",
"tend",
"usually",
}
_OBSERVATION_PATTERNS = [
{
"observation_type": "recurring_preference",
"subject": "communication_style",
"categories": {"user_pref", "general"},
"labels": {
"concise": ["concise", "terse", "brief", "short", "no fluff"],
"result_first": ["result-only", "result only", "outcome only", "quick", "quickly"],
"silent_ops": ["silent", "no status", "no repetitive status", "no questions"],
},
"summary_prefix": "Recurring preference",
},
{
"observation_type": "stable_direction",
"subject": "project_direction",
"categories": {"project", "general", "tool"},
"labels": {
"local_first": ["local-first", "local first", "local-only", "local only", "ollama", "own hardware"],
"gitea_first": ["gitea-first", "gitea first", "forge", "pull request", "pr flow", "issue flow"],
"ansible": ["ansible", "playbook", "role", "deploy via ansible"],
},
"summary_prefix": "Stable direction",
},
{
"observation_type": "behavioral_pattern",
"subject": "operator_workflow",
"categories": {"general", "project", "tool", "user_pref"},
"labels": {
"commit_early": ["commit early", "commits early", "commit after", "wip commit"],
"pr_first": ["open pr", "push a pr", "pull request", "pr immediately", "create pr"],
"dedup_guard": ["no dupes", "no duplicates", "avoid duplicate", "existing pr"],
},
"summary_prefix": "Behavioral pattern",
},
]
_TYPE_QUERY_HINTS = {
"recurring_preference": {"prefer", "preference", "style", "communication", "likes", "wants"},
"stable_direction": {"direction", "trajectory", "strategy", "project", "roadmap", "moving"},
"behavioral_pattern": {"pattern", "behavior", "workflow", "habit", "operator", "agent", "usually"},
}
class ObservationSynthesizer:
"""Synthesizes grounded observations from facts and retrieves them by query."""
def __init__(self, store: MemoryStore):
self.store = store
def synthesize(
self,
*,
persist: bool = True,
min_confidence: float = 0.6,
limit: int = 10,
) -> list[dict[str, Any]]:
facts = self.store.list_facts(min_trust=0.0, limit=1000)
observations: list[dict[str, Any]] = []
for pattern in _OBSERVATION_PATTERNS:
candidate = self._build_candidate(pattern, facts, min_confidence=min_confidence)
if not candidate:
continue
if persist:
candidate["observation_id"] = self.store.upsert_observation(
candidate["observation_type"],
candidate["subject"],
candidate["summary"],
candidate["confidence"],
candidate["evidence_fact_ids"],
metadata=candidate["metadata"],
)
candidate["evidence"] = self._expand_evidence(candidate["evidence_fact_ids"])
candidate["evidence_count"] = len(candidate["evidence"])
candidate.pop("evidence_fact_ids", None)
observations.append(candidate)
observations.sort(
key=lambda item: (item["confidence"], item.get("evidence_count", 0)),
reverse=True,
)
return observations[:limit]
def observe(
self,
query: str = "",
*,
observation_type: str | None = None,
min_confidence: float = 0.6,
limit: int = 10,
refresh: bool = True,
) -> list[dict[str, Any]]:
if refresh:
self.synthesize(persist=True, min_confidence=min_confidence, limit=limit)
observations = self.store.list_observations(
observation_type=observation_type,
min_confidence=min_confidence,
limit=max(limit * 4, 20),
)
if not observations:
return []
if not query:
return observations[:limit]
query_tokens = self._tokenize(query)
is_higher_order = bool(query_tokens & _HIGHER_ORDER_CUES)
ranked: list[dict[str, Any]] = []
for item in observations:
searchable = " ".join(
[
item.get("summary", ""),
item.get("subject", ""),
item.get("observation_type", ""),
" ".join(item.get("metadata", {}).get("labels", [])),
]
)
overlap = self._overlap_score(query_tokens, self._tokenize(searchable))
type_bonus = self._type_bonus(query_tokens, item.get("observation_type", ""))
if overlap <= 0 and type_bonus <= 0 and not is_higher_order:
continue
ranked_item = dict(item)
ranked_item["score"] = round(item.get("confidence", 0.0) + overlap + type_bonus, 3)
ranked.append(ranked_item)
if not ranked and is_higher_order:
ranked = [
{**item, "score": round(float(item.get("confidence", 0.0)), 3)}
for item in observations
]
ranked.sort(
key=lambda item: (item.get("score", 0.0), item.get("confidence", 0.0), item.get("evidence_count", 0)),
reverse=True,
)
return ranked[:limit]
def _build_candidate(
self,
pattern: dict[str, Any],
facts: list[dict[str, Any]],
*,
min_confidence: float,
) -> dict[str, Any] | None:
matched_fact_ids: set[int] = set()
matched_labels: dict[str, set[int]] = {label: set() for label in pattern["labels"]}
for fact in facts:
if fact.get("category") not in pattern["categories"]:
continue
haystack = f"{fact.get('content', '')} {fact.get('tags', '')}".lower()
local_match = False
for label, keywords in pattern["labels"].items():
if any(keyword in haystack for keyword in keywords):
matched_labels[label].add(int(fact["fact_id"]))
local_match = True
if local_match:
matched_fact_ids.add(int(fact["fact_id"]))
if len(matched_fact_ids) < 2:
return None
active_labels = sorted(label for label, ids in matched_labels.items() if ids)
confidence = min(0.95, 0.35 + 0.12 * len(matched_fact_ids) + 0.08 * len(active_labels))
confidence = round(confidence, 3)
if confidence < min_confidence:
return None
label_summary = ", ".join(label.replace("_", "-") for label in active_labels)
subject_text = pattern["subject"].replace("_", " ")
summary = (
f"{pattern['summary_prefix']}: {subject_text} trends toward {label_summary} "
f"based on {len(matched_fact_ids)} supporting facts."
)
return {
"observation_type": pattern["observation_type"],
"subject": pattern["subject"],
"summary": summary,
"confidence": confidence,
"metadata": {
"labels": active_labels,
"evidence_count": len(matched_fact_ids),
},
"evidence_fact_ids": sorted(matched_fact_ids),
}
def _expand_evidence(self, fact_ids: list[int]) -> list[dict[str, Any]]:
facts_by_id = {
fact["fact_id"]: fact
for fact in self.store.list_facts(min_trust=0.0, limit=1000)
}
return [facts_by_id[fact_id] for fact_id in fact_ids if fact_id in facts_by_id]
@staticmethod
def _tokenize(text: str) -> set[str]:
return set(_TOKEN_RE.findall(text.lower()))
@staticmethod
def _overlap_score(query_tokens: set[str], text_tokens: set[str]) -> float:
if not query_tokens or not text_tokens:
return 0.0
overlap = query_tokens & text_tokens
if not overlap:
return 0.0
return round(len(overlap) / max(len(query_tokens), 1), 3)
@staticmethod
def _type_bonus(query_tokens: set[str], observation_type: str) -> float:
hints = _TYPE_QUERY_HINTS.get(observation_type, set())
if not hints:
return 0.0
return 0.25 if query_tokens & hints else 0.0

View File

@@ -3,6 +3,7 @@ SQLite-backed fact store with entity resolution and trust scoring.
Single-user Hermes memory store plugin.
"""
import json
import re
import sqlite3
import threading
@@ -73,6 +74,28 @@ CREATE TABLE IF NOT EXISTS memory_banks (
fact_count INTEGER DEFAULT 0,
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);
CREATE TABLE IF NOT EXISTS observations (
observation_id INTEGER PRIMARY KEY AUTOINCREMENT,
observation_type TEXT NOT NULL,
subject TEXT NOT NULL,
summary TEXT NOT NULL,
confidence REAL DEFAULT 0.0,
metadata_json TEXT DEFAULT '{}',
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
UNIQUE(observation_type, subject)
);
CREATE TABLE IF NOT EXISTS observation_evidence (
observation_id INTEGER REFERENCES observations(observation_id) ON DELETE CASCADE,
fact_id INTEGER REFERENCES facts(fact_id) ON DELETE CASCADE,
evidence_weight REAL DEFAULT 1.0,
PRIMARY KEY (observation_id, fact_id)
);
CREATE INDEX IF NOT EXISTS idx_observations_type ON observations(observation_type);
CREATE INDEX IF NOT EXISTS idx_observations_confidence ON observations(confidence DESC);
"""
# Trust adjustment constants
@@ -128,6 +151,7 @@ class MemoryStore:
def _init_db(self) -> None:
"""Create tables, indexes, and triggers if they do not exist. Enable WAL mode."""
self._conn.execute("PRAGMA journal_mode=WAL")
self._conn.execute("PRAGMA foreign_keys=ON")
self._conn.executescript(_SCHEMA)
# Migrate: add hrr_vector column if missing (safe for existing databases)
columns = {row[1] for row in self._conn.execute("PRAGMA table_info(facts)").fetchall()}
@@ -346,6 +370,115 @@ class MemoryStore:
rows = self._conn.execute(sql, params).fetchall()
return [self._row_to_dict(r) for r in rows]
def upsert_observation(
self,
observation_type: str,
subject: str,
summary: str,
confidence: float,
evidence_fact_ids: list[int],
metadata: dict | None = None,
) -> int:
"""Create or update a synthesized observation and its evidence links."""
with self._lock:
metadata_json = json.dumps(metadata or {}, sort_keys=True)
self._conn.execute(
"""
INSERT INTO observations (
observation_type, subject, summary, confidence, metadata_json
)
VALUES (?, ?, ?, ?, ?)
ON CONFLICT(observation_type, subject) DO UPDATE SET
summary = excluded.summary,
confidence = excluded.confidence,
metadata_json = excluded.metadata_json,
updated_at = CURRENT_TIMESTAMP
""",
(observation_type, subject, summary, confidence, metadata_json),
)
row = self._conn.execute(
"""
SELECT observation_id
FROM observations
WHERE observation_type = ? AND subject = ?
""",
(observation_type, subject),
).fetchone()
observation_id = int(row["observation_id"])
self._conn.execute(
"DELETE FROM observation_evidence WHERE observation_id = ?",
(observation_id,),
)
unique_fact_ids = sorted({int(fid) for fid in evidence_fact_ids})
if unique_fact_ids:
self._conn.executemany(
"""
INSERT OR IGNORE INTO observation_evidence (observation_id, fact_id)
VALUES (?, ?)
""",
[(observation_id, fact_id) for fact_id in unique_fact_ids],
)
self._conn.commit()
return observation_id
def list_observations(
self,
observation_type: str | None = None,
min_confidence: float = 0.0,
limit: int = 50,
) -> list[dict]:
"""List synthesized observations with expanded supporting evidence."""
with self._lock:
params: list = [min_confidence]
observation_clause = ""
if observation_type is not None:
observation_clause = "AND observation_type = ?"
params.append(observation_type)
params.append(limit)
rows = self._conn.execute(
f"""
SELECT observation_id, observation_type, subject, summary, confidence,
metadata_json, created_at, updated_at,
(
SELECT COUNT(*)
FROM observation_evidence oe
WHERE oe.observation_id = observations.observation_id
) AS evidence_count
FROM observations
WHERE confidence >= ?
{observation_clause}
ORDER BY confidence DESC, updated_at DESC
LIMIT ?
""",
params,
).fetchall()
results = []
for row in rows:
item = dict(row)
try:
item["metadata"] = json.loads(item.pop("metadata_json") or "{}")
except json.JSONDecodeError:
item["metadata"] = {}
item["evidence"] = self._get_observation_evidence(int(item["observation_id"]))
results.append(item)
return results
def _get_observation_evidence(self, observation_id: int) -> list[dict]:
rows = self._conn.execute(
"""
SELECT f.fact_id, f.content, f.category, f.tags, f.trust_score,
f.retrieval_count, f.helpful_count, f.created_at, f.updated_at
FROM observation_evidence oe
JOIN facts f ON f.fact_id = oe.fact_id
WHERE oe.observation_id = ?
ORDER BY f.trust_score DESC, f.updated_at DESC
""",
(observation_id,),
).fetchall()
return [self._row_to_dict(row) for row in rows]
def record_feedback(self, fact_id: int, helpful: bool) -> dict:
"""Record user feedback and adjust trust asymmetrically.

View File

@@ -1,318 +0,0 @@
#!/usr/bin/env python3
"""Generate a grounded TensorZero evaluation packet for Hermes.
This script inventories the current Hermes routing/evaluation surfaces, then
builds a markdown packet assessing how much of issue #860 can be satisfied by
TensorZero and where the migration risk still lives.
"""
from __future__ import annotations
import argparse
import json
import re
from dataclasses import asdict, dataclass
from pathlib import Path
from typing import Iterable
ISSUE_NUMBER = 860
ISSUE_TITLE = "tensorzero LLMOps platform evaluation"
ISSUE_URL = "https://forge.alexanderwhitestone.com/Timmy_Foundation/hermes-agent/issues/860"
DEFAULT_OUTPUT = Path("docs/evaluations/tensorzero-860-evaluation.md")
DEFAULT_JSON_OUTPUT = Path("docs/evaluations/tensorzero-860-evaluation.json")
@dataclass(frozen=True)
class TouchpointPattern:
label: str
file_path: str
regex: str
description: str
@dataclass(frozen=True)
class Touchpoint:
label: str
file_path: str
line_number: int
matched_text: str
@dataclass(frozen=True)
class RequirementStatus:
key: str
name: str
status: str
evidence_labels: tuple[str, ...]
summary: str
@dataclass(frozen=True)
class EvaluationReport:
issue_number: int
issue_title: str
issue_url: str
recommendation: str
touchpoints: tuple[Touchpoint, ...]
requirements: tuple[RequirementStatus, ...]
PATTERNS: tuple[TouchpointPattern, ...] = (
TouchpointPattern(
label="fallback_chain",
file_path="run_agent.py",
regex=r"_fallback_chain|fallback_providers|fallback_model",
description="Primary agent fallback-provider chain in the core conversation loop.",
),
TouchpointPattern(
label="provider_routing_config",
file_path="cli.py",
regex=r"provider_routing|fallback_providers|smart_model_routing",
description="CLI-owned provider routing and fallback configuration surfaces.",
),
TouchpointPattern(
label="runtime_provider",
file_path="hermes_cli/runtime_provider.py",
regex=r"def resolve_runtime_provider|def resolve_requested_provider",
description="Central runtime provider resolution for CLI, gateway, cron, and helpers.",
),
TouchpointPattern(
label="smart_model_routing",
file_path="agent/smart_model_routing.py",
regex=r"def resolve_turn_route|def choose_cheap_model_route",
description="Cheap-vs-strong turn routing that TensorZero would need to absorb or replace.",
),
TouchpointPattern(
label="gateway_provider_routing",
file_path="gateway/run.py",
regex=r"def _load_provider_routing|def _load_fallback_model|def _load_smart_model_routing",
description="Gateway-specific loading of routing, fallback, and smart-model policies.",
),
TouchpointPattern(
label="cron_runtime_provider",
file_path="cron/scheduler.py",
regex=r"resolve_runtime_provider|resolve_turn_route|provider_routing|fallback_model",
description="Cron execution path that re-resolves providers and routing on every run.",
),
TouchpointPattern(
label="auxiliary_fallback_chain",
file_path="agent/auxiliary_client.py",
regex=r"fallback chain|_get_provider_chain|provider chain",
description="Auxiliary task routing/fallback chain outside the main inference path.",
),
TouchpointPattern(
label="delegate_runtime_provider",
file_path="tools/delegate_tool.py",
regex=r"runtime provider system|resolve the full credential bundle|resolve_runtime_provider",
description="Subagent/delegation routing path that would also need TensorZero parity.",
),
TouchpointPattern(
label="session_db",
file_path="hermes_state.py",
regex=r"class SessionDB",
description="Session persistence surface that could feed TensorZero optimization/eval data.",
),
TouchpointPattern(
label="trajectory_export",
file_path="batch_runner.py",
regex=r"trajectory_entry|save_trajectories|_convert_to_trajectory_format",
description="Trajectory export surface for offline optimization and replay data.",
),
TouchpointPattern(
label="benchmark_suite",
file_path="benchmarks/tool_call_benchmark.py",
regex=r"ToolCall\(|class ToolCall|benchmark",
description="Existing benchmark/evaluation harness that could map to TensorZero experiments.",
),
)
def _iter_matches(pattern: TouchpointPattern, text: str) -> Iterable[Touchpoint]:
regex = re.compile(pattern.regex, re.IGNORECASE)
for line_number, line in enumerate(text.splitlines(), start=1):
if regex.search(line):
yield Touchpoint(
label=pattern.label,
file_path=pattern.file_path,
line_number=line_number,
matched_text=line.strip(),
)
def scan_touchpoints(repo_root: Path) -> list[Touchpoint]:
touchpoints: list[Touchpoint] = []
for pattern in PATTERNS:
path = repo_root / pattern.file_path
if not path.exists():
continue
text = path.read_text(encoding="utf-8")
touchpoints.extend(_iter_matches(pattern, text))
return touchpoints
def build_requirement_matrix(touchpoints: list[Touchpoint]) -> list[RequirementStatus]:
labels = {tp.label for tp in touchpoints}
matrix: list[RequirementStatus] = []
gateway_labels = (
"fallback_chain",
"runtime_provider",
"gateway_provider_routing",
"cron_runtime_provider",
"auxiliary_fallback_chain",
"delegate_runtime_provider",
)
gateway_hits = tuple(label for label in gateway_labels if label in labels)
gateway_status = "partial" if len(gateway_hits) >= 4 else "gap"
gateway_summary = (
"Hermes already spreads provider routing across core agent, runtime provider, gateway, cron, auxiliary, and delegation seams; "
"TensorZero would need parity across all of them before it can replace the gateway layer."
if gateway_hits else
"No grounded routing surfaces were found for a gateway replacement assessment."
)
matrix.append(RequirementStatus("gateway_replacement", "Gateway replacement scope", gateway_status, gateway_hits, gateway_summary))
config_labels = (
"provider_routing_config",
"runtime_provider",
"smart_model_routing",
"fallback_chain",
)
config_hits = tuple(label for label in config_labels if label in labels)
config_status = "partial" if len(config_hits) >= 3 else "gap"
config_summary = (
"Hermes has multiple config concepts to migrate (`provider_routing`, `fallback_providers`, `smart_model_routing`, runtime provider resolution), "
"so TensorZero is not a drop-in config swap."
if config_hits else
"No current config migration surface was found."
)
matrix.append(RequirementStatus("config_migration", "Config migration", config_status, config_hits, config_summary))
canary_hits: tuple[str, ...] = tuple()
canary_summary = (
"The repo shows semantic routing and fallback, but no grounded 10% traffic-split canary mechanism. "
"A TensorZero cutover would need new percentage-based rollout controls and observability hooks."
)
matrix.append(RequirementStatus("canary_rollout", "10% traffic canary", "gap", canary_hits, canary_summary))
session_labels = ("session_db", "trajectory_export")
session_hits = tuple(label for label in session_labels if label in labels)
session_status = "partial" if len(session_hits) == len(session_labels) else "gap"
session_summary = (
"Hermes already has SessionDB and trajectory export surfaces that can feed offline optimization data, "
"but not a TensorZero-native ingestion path yet."
if session_hits else
"No session-data surface was found for prompt optimization."
)
matrix.append(RequirementStatus("session_feedback", "Session data for prompt optimization", session_status, session_hits, session_summary))
eval_labels = ("benchmark_suite", "trajectory_export")
eval_hits = tuple(label for label in eval_labels if label in labels)
eval_status = "partial" if "benchmark_suite" in eval_hits else "gap"
eval_summary = (
"Hermes already has benchmark/trajectory machinery that can seed TensorZero A/B evaluation, "
"but no integrated TensorZero experiment runner or live evaluation gateway."
if eval_hits else
"No evaluation harness was found to support TensorZero A/B testing."
)
matrix.append(RequirementStatus("evaluation_suite", "Evaluation suite / A/B testing", eval_status, eval_hits, eval_summary))
return matrix
def build_report(touchpoints: list[Touchpoint], requirement_matrix: list[RequirementStatus]) -> EvaluationReport:
recommendation = (
"Not ready for direct replacement. Recommend a shadow-evaluation phase first: keep Hermes routing live, "
"inventory the migration seams, export SessionDB/trajectory data into an offline TensorZero experiment loop, "
"and only design a canary gateway once percentage-based rollout controls exist."
)
return EvaluationReport(
issue_number=ISSUE_NUMBER,
issue_title=ISSUE_TITLE,
issue_url=ISSUE_URL,
recommendation=recommendation,
touchpoints=tuple(touchpoints),
requirements=tuple(requirement_matrix),
)
def build_markdown(report: EvaluationReport) -> str:
lines: list[str] = []
lines.append("# TensorZero Evaluation Packet")
lines.append("")
lines.append(f"Issue #{report.issue_number}: [{report.issue_title}]({report.issue_url})")
lines.append("")
lines.append("## Scope")
lines.append("")
lines.append("This packet evaluates TensorZero as a possible replacement for Hermes' custom provider-routing stack.")
lines.append("It is intentionally grounded in the current repo state rather than a speculative cutover plan.")
lines.append("")
lines.append("## Issue requirements being evaluated")
lines.append("")
lines.append("- Deploy tensorzero gateway (Rust binary)")
lines.append("- Migrate provider routing config")
lines.append("- Test with canary (10% traffic) before full cutover")
lines.append("- Feed session data for prompt optimization")
lines.append("- Evaluation suite for A/B testing models")
lines.append("")
lines.append("## Recommendation")
lines.append("")
lines.append(report.recommendation)
lines.append("")
lines.append("## Requirement matrix")
lines.append("")
lines.append("| Requirement | Status | Evidence labels | Summary |")
lines.append("| --- | --- | --- | --- |")
for row in report.requirements:
evidence = ", ".join(row.evidence_labels) if row.evidence_labels else ""
lines.append(f"| {row.name} | {row.status} | {evidence} | {row.summary} |")
lines.append("")
lines.append("## Grounded Hermes touchpoints")
lines.append("")
if report.touchpoints:
for tp in report.touchpoints:
lines.append(f"- `{tp.file_path}:{tp.line_number}` — [{tp.label}] {tp.matched_text}")
else:
lines.append("- No routing/evaluation touchpoints were found.")
lines.append("")
lines.append("## Suggested next slice")
lines.append("")
lines.append("1. Build an exporter that emits SessionDB + trajectory data into a TensorZero-friendly offline dataset.")
lines.append("2. Define percentage-based canary controls before attempting any gateway replacement.")
lines.append("3. Keep Hermes routing authoritative until TensorZero proves parity across CLI, gateway, cron, auxiliary, and delegation surfaces.")
lines.append("")
return "\n".join(lines).rstrip() + "\n"
def write_outputs(report: EvaluationReport, markdown_path: Path, json_path: Path | None = None) -> None:
markdown_path.parent.mkdir(parents=True, exist_ok=True)
markdown_path.write_text(build_markdown(report), encoding="utf-8")
if json_path is not None:
json_path.parent.mkdir(parents=True, exist_ok=True)
json_path.write_text(json.dumps(asdict(report), indent=2), encoding="utf-8")
def parse_args() -> argparse.Namespace:
parser = argparse.ArgumentParser(description="Generate a grounded TensorZero evaluation packet for Hermes")
parser.add_argument("--repo-root", default=".", help="Hermes repo root to scan")
parser.add_argument("--output", default=str(DEFAULT_OUTPUT), help="Markdown output path")
parser.add_argument("--json-output", default=str(DEFAULT_JSON_OUTPUT), help="Optional JSON output path")
return parser.parse_args()
def main() -> int:
args = parse_args()
repo_root = Path(args.repo_root).resolve()
touchpoints = scan_touchpoints(repo_root)
matrix = build_requirement_matrix(touchpoints)
report = build_report(touchpoints, matrix)
json_output = Path(args.json_output) if args.json_output else None
write_outputs(report, Path(args.output), json_output)
print(f"Wrote {args.output}")
if json_output is not None:
print(f"Wrote {json_output}")
return 0
if __name__ == "__main__":
raise SystemExit(main())

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@@ -0,0 +1,96 @@
import json
import pytest
from plugins.memory.holographic import HolographicMemoryProvider
from plugins.memory.holographic.store import MemoryStore
@pytest.fixture()
def store(tmp_path):
db_path = tmp_path / "memory.db"
s = MemoryStore(db_path=str(db_path), default_trust=0.5)
yield s
s.close()
@pytest.fixture()
def provider(tmp_path):
p = HolographicMemoryProvider(
config={
"db_path": str(tmp_path / "memory.db"),
"default_trust": 0.5,
}
)
p.initialize(session_id="test-session")
yield p
if p._store:
p._store.close()
class TestObservationSynthesis:
def test_observe_action_persists_observation_with_evidence_links(self, provider):
fact_ids = [
provider._store.add_fact('User prefers concise status updates', category='user_pref'),
provider._store.add_fact('User wants result-only replies with no fluff', category='user_pref'),
]
result = json.loads(
provider.handle_tool_call(
'fact_store',
{
'action': 'observe',
'query': 'What communication style does the user prefer?',
'limit': 5,
},
)
)
assert result['count'] == 1
observation = result['observations'][0]
assert observation['observation_type'] == 'recurring_preference'
assert observation['confidence'] >= 0.6
assert sorted(item['fact_id'] for item in observation['evidence']) == sorted(fact_ids)
stored = provider._store.list_observations(limit=10)
assert len(stored) == 1
assert stored[0]['observation_type'] == 'recurring_preference'
assert stored[0]['evidence_count'] == 2
assert len(provider._store.list_facts(limit=10)) == 2
def test_observe_action_synthesizes_three_observation_types(self, provider):
provider._store.add_fact('User prefers concise updates', category='user_pref')
provider._store.add_fact('User wants result-only communication', category='user_pref')
provider._store.add_fact('Project is moving to a local-first deployment model', category='project')
provider._store.add_fact('Project direction stays Gitea-first for issue and PR flow', category='project')
provider._store.add_fact('Operator always commits early before moving on', category='general')
provider._store.add_fact('Operator pushes a PR immediately after each meaningful fix', category='general')
result = json.loads(provider.handle_tool_call('fact_store', {'action': 'observe', 'limit': 10}))
types = {item['observation_type'] for item in result['observations']}
assert {'recurring_preference', 'stable_direction', 'behavioral_pattern'} <= types
def test_single_fact_does_not_create_overconfident_observation(self, provider):
provider._store.add_fact('User prefers concise updates', category='user_pref')
result = json.loads(
provider.handle_tool_call(
'fact_store',
{'action': 'observe', 'query': 'What does the user prefer?', 'limit': 5},
)
)
assert result['count'] == 0
assert provider._store.list_observations(limit=10) == []
def test_prefetch_surfaces_observations_as_separate_layer(self, provider):
provider._store.add_fact('User prefers concise updates', category='user_pref')
provider._store.add_fact('User wants result-only communication', category='user_pref')
prefetch = provider.prefetch('What communication style does the user prefer?')
assert '## Holographic Observations' in prefetch
assert '## Holographic Memory' in prefetch
assert 'recurring_preference' in prefetch
assert 'evidence' in prefetch.lower()

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@@ -1,149 +0,0 @@
from pathlib import Path
import sys
SCRIPT_DIR = Path(__file__).resolve().parents[1] / "scripts"
sys.path.insert(0, str(SCRIPT_DIR))
import tensorzero_eval_packet as tz
def test_scan_touchpoints_finds_expected_matches(tmp_path):
(tmp_path / "run_agent.py").write_text(
"self._fallback_chain = []\n# Provider fallback chain\n"
)
(tmp_path / "hermes_cli").mkdir()
(tmp_path / "hermes_cli" / "runtime_provider.py").write_text(
"def resolve_runtime_provider():\n return {}\n"
)
(tmp_path / "agent").mkdir()
(tmp_path / "agent" / "smart_model_routing.py").write_text(
"def resolve_turn_route(user_message, routing_config, primary):\n return primary\n"
)
(tmp_path / "gateway").mkdir()
(tmp_path / "gateway" / "run.py").write_text(
"def _load_provider_routing():\n return {}\n"
)
(tmp_path / "cron").mkdir()
(tmp_path / "cron" / "scheduler.py").write_text(
"runtime = resolve_runtime_provider()\nturn_route = resolve_turn_route('x', {}, {})\n"
)
(tmp_path / "hermes_state.py").write_text("class SessionDB:\n pass\n")
(tmp_path / "benchmarks").mkdir()
(tmp_path / "benchmarks" / "tool_call_benchmark.py").write_text(
"class ToolCall: ...\n"
)
touchpoints = tz.scan_touchpoints(tmp_path)
labels = {tp.label for tp in touchpoints}
assert "fallback_chain" in labels
assert "runtime_provider" in labels
assert "smart_model_routing" in labels
assert "gateway_provider_routing" in labels
assert "cron_runtime_provider" in labels
assert "session_db" in labels
assert "benchmark_suite" in labels
def test_build_requirement_matrix_marks_canary_as_gap_without_split_support():
touchpoints = [
tz.Touchpoint(
label="runtime_provider",
file_path="hermes_cli/runtime_provider.py",
line_number=10,
matched_text="def resolve_runtime_provider",
),
tz.Touchpoint(
label="provider_routing_config",
file_path="cli.py",
line_number=20,
matched_text='provider_routing',
),
tz.Touchpoint(
label="fallback_chain",
file_path="run_agent.py",
line_number=21,
matched_text='_fallback_chain = []',
),
tz.Touchpoint(
label="smart_model_routing",
file_path="agent/smart_model_routing.py",
line_number=30,
matched_text='resolve_turn_route',
),
tz.Touchpoint(
label="gateway_provider_routing",
file_path="gateway/run.py",
line_number=35,
matched_text='def _load_provider_routing',
),
tz.Touchpoint(
label="cron_runtime_provider",
file_path="cron/scheduler.py",
line_number=36,
matched_text='runtime = resolve_runtime_provider()',
),
tz.Touchpoint(
label="session_db",
file_path="hermes_state.py",
line_number=40,
matched_text='class SessionDB',
),
tz.Touchpoint(
label="trajectory_export",
file_path="batch_runner.py",
line_number=50,
matched_text='trajectory_entry',
),
tz.Touchpoint(
label="benchmark_suite",
file_path="benchmarks/tool_call_benchmark.py",
line_number=60,
matched_text='ToolCall',
),
]
matrix = tz.build_requirement_matrix(touchpoints)
by_key = {row.key: row for row in matrix}
assert by_key["gateway_replacement"].status == "partial"
assert by_key["config_migration"].status == "partial"
assert by_key["canary_rollout"].status == "gap"
assert by_key["session_feedback"].status == "partial"
assert by_key["evaluation_suite"].status == "partial"
def test_build_markdown_renders_recommendation_and_touchpoints():
touchpoints = [
tz.Touchpoint(
label="runtime_provider",
file_path="hermes_cli/runtime_provider.py",
line_number=10,
matched_text="def resolve_runtime_provider",
),
tz.Touchpoint(
label="session_db",
file_path="hermes_state.py",
line_number=40,
matched_text='class SessionDB',
),
]
matrix = tz.build_requirement_matrix(touchpoints)
report = tz.build_report(touchpoints, matrix)
markdown = tz.build_markdown(report)
assert "# TensorZero Evaluation Packet" in markdown
assert "gateway_replacement" not in markdown # human labels, not raw keys
assert "Gateway replacement scope" in markdown
assert "Not ready for direct replacement" in markdown
assert "hermes_cli/runtime_provider.py:10" in markdown
assert "hermes_state.py:40" in markdown
def test_issue_context_is_embedded_in_report():
report = tz.build_report([], [])
markdown = tz.build_markdown(report)
assert "Issue #860" in markdown
assert "tensorzero" in markdown.lower()
assert "10% traffic" in markdown