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msd-core/gsd-core/references/planner-load-graph-context.md
Michel Moreira 76ef60ba25 enhance(#4836): prefer the graphify CLI for planner and researcher graph queries (#4874)
* enhance(#4836): prefer the graphify CLI for planner and researcher graph queries

The planner gets one knowledge-graph query per phase and the researcher two
or three, and that single shot decides which modules the plan treats as
related — and therefore how tasks are ordered into waves. It was spent on
the built-in reader, which seeds by case-insensitive substring match over a
node's label and description and then expands a hardcoded two hops. The
phase "User Authentication" seeds on `author`, `authoring` and
`unauthorized` with the same weight as `authenticate`, and when the
inflated payload exceeds `--budget` the trimmer drops edges by confidence
tier — so the highest-confidence tier can be discarded to fit a payload
that bad seeding inflated in the first place.

The graphify CLI is already a hard dependency of /gsd-graphify build, and
it ranks seeds (IDF weighting, trigram fuzzy matching) and applies context
filters before traversal. Both prompts now prefer it and fall back to the
built-in reader, branching on `command -v graphify` — the same degradation
shape the repo already uses for Context7 to ctx7. Binary presence is a
self-satisfying gate: a graph can only exist if the binary built it, so the
fallback covers edge cases (a CI checkout with a committed graph, a binary
since removed), not the common path. No new config key and no new tool
grant — both agents already have Bash.

The planner additionally runs `graphify affected`. The reference states its
own goal as "which subsystems may be affected by changes in this phase",
which is literally reverse traversal by relation; the built-in reader only
approximates it with undirected two-hop expansion and has no equivalent
verb, so `affected` is skipped on the fallback path.

`graphify status` now reports `graph_path`, the resolved absolute graph
location, on both the present and the missing branch. The CLI takes the
graph location as `--graph`, and the prompts must not re-derive
`.planning/graphs/graph.json` for it: that would point the CLI at a
non-existent local mirror in exactly the umbrella multi-repo setup
`graphify.graph_path` (#1825) exists to serve. For the same reason the
presence gate in both prompts is now the `status` call itself rather than a
bare `ls` of the default location, which was already blind to the override.

Known limit, stated in both prompts rather than implied: the two paths
return different shapes. `graphify query` emits prose and has no `--json`
flag; the built-in emits JSON with per-edge confidence tiers and
budget_met/budget_estimate. `--budget` also counts rendered output on one
and estimated payload bytes on the other (#2738) — same flag name,
different unit. Both are read by a model and nothing machine-parses the
injected block. With graphify absent from PATH the injected context is
byte-identical to before.

Closes #4836

Emitted-Drift-Ack-Growth: gsd-phase-researcher.md — the CLI-first branch, the reason it is preferred, and the output-shape warning are the deliverable; a pointer to a part would not be read at the decision point.
Emitted-Drift-Ack-Growth: gsd-planner.md — one sentence in the load_graph_context step pointer, so it stops naming the default graph path the reference no longer assumes.

* docs(#4836): record the CLI-first graph query in the planner and researcher entries

* chore(#4836): add changeset fragment

* enhance(#4836): name the full domain word in the planner's query-term examples

The reference's own example — phase "User Authentication" → term "auth" — is
the exact collision the CLI-first path exists to avoid, and it stays a
collision whenever the fallback path runs, since that path matches the term as
a substring of label and description.

* fix(#4836): surface graph_path on the unparseable-graph status branch

graphifyStatus() returned graph_path on the exists:true and exists:false
outcomes but not on the third, error, outcome (graph.json present but
unparseable). The planner/researcher prompts gate CLI-first dispatch on
exists, not on this outcome, so a corrupt graph file made them fall
through to the CLI-first branch with the literal <graph> placeholder and
no real path to substitute.

* docs(#4836): note graph_path's trust boundary at the --graph interpolation

graph_path is reflected verbatim into a double-quoted --graph argument the
agent executes via Bash. It comes from graphify.graph_path, a config
surface already trusted elsewhere, so this isn't a new trust boundary --
but it is a new injection site (no --graph flag existed on this call
before). One-line caution for anyone hardening this later.

---------

Co-authored-by: Tom Boucher <trekkie@nomorestars.com>
2026-09-22 19:59:45 -04:00

3.9 KiB

Planner — Load Graph Context

Loaded by gsd-planner at the load_graph_context step.

Check for a knowledge graph and read its freshness in one call. status resolves the graph through graphify.graph_path, so it is also the presence gate — a bare ls of the default location misses an umbrella graph shared across sibling repos:

_GSD_SHIM_NAME="gsd-tools.cjs"; _GSD_RUNTIME_ROOT="${RUNTIME_DIR:-$(git rev-parse --show-toplevel 2>/dev/null || pwd)}"; GSD_TOOLS="${_GSD_RUNTIME_ROOT}/gsd-core/bin/${_GSD_SHIM_NAME}"; if [ -f "$GSD_TOOLS" ]; then gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${_GSD_RUNTIME_ROOT}/.claude/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${_GSD_RUNTIME_ROOT}/.claude/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif command -v gsd-tools >/dev/null 2>&1; then GSD_TOOLS="$(command -v gsd-tools)"; gsd_run() { "$GSD_TOOLS" "$@"; }; elif [ -f "$HOME/.claude/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="$HOME/.claude/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; else echo "ERROR: gsd-tools.cjs not found at $GSD_TOOLS and gsd-tools is not on PATH. Run: npx -y @opengsd/gsd-core@latest --claude --local" >&2; exit 1; fi
gsd_run graphify status

If exists is false, continue without graph context — skip the rest of this step.

If the status response has stale: true, note for later: "Graph is {age_hours}h old -- treat semantic relationships as approximate." Include this annotation inline with any graph context injected below.

The same response carries graph_path — the resolved graph location. Substitute it for <graph> below. graph_path comes from graphify.graph_path in .planning/config.json, a config surface already trusted elsewhere; if it ever carried attacker-controlled content, the literal double-quoted substitution below would need escaping.

Query the graph for phase-relevant dependency context (single query per D-06). Prefer the graphify CLI when it is on PATH; fall back to the built-in reader otherwise:

if command -v graphify >/dev/null 2>&1; then
  graphify query "<phase-goal-keyword>" --graph "<graph>" --budget 2000
  graphify affected "<phase-goal-keyword>" --graph "<graph>" --depth 2
else
  gsd_run graphify query "<phase-goal-keyword>" --budget 2000
fi

Why the CLI is preferred: it ranks seeds (IDF weighting, fuzzy matching) and applies context filters before traversal, where the built-in reader seeds by case-insensitive substring over label and description — so a term like "auth" seeds equally on author and authorize — and then expands a fixed two hops. affected answers "which subsystems may be affected by changes in this phase" directly, by reverse traversal; it has no built-in equivalent, so the fallback path runs the query alone.

The two paths return different shapes: the CLI emits prose, the built-in emits JSON with per-edge confidence tiers and budget_met/budget_estimate. --budget caps rendered output on the CLI and estimated payload bytes in the built-in — same flag name, different unit. Read whichever you get; do not assume a stable shape and do not paste raw output into PLAN.md.

Use the keyword that best captures the phase goal. Prefer the full domain word over a prefix of it — on the fallback path a prefix is matched as a substring, so "auth" also seeds on author and authoring. Examples:

  • Phase "User Authentication" -> query term "authentication"
  • Phase "Payment Integration" -> query term "payment"
  • Phase "Database Migration" -> query term "migration"

If the query returns related nodes, incorporate as dependency context for planning:

  • Which modules/files are semantically related to this phase's domain
  • Which subsystems may be affected by changes in this phase
  • Cross-document relationships that inform task ordering and wave structure

If nothing comes back, continue without graph context.