diff --git a/server/data/systems.db b/server/data/systems.db
index 1c900a5ab..3080f69a6 100644
Binary files a/server/data/systems.db and b/server/data/systems.db differ
diff --git a/tooling/economy-db/economy_import/atlas.py b/tooling/economy-db/economy_import/atlas.py
index 308418c66..7781f4cfd 100644
--- a/tooling/economy-db/economy_import/atlas.py
+++ b/tooling/economy-db/economy_import/atlas.py
@@ -164,17 +164,18 @@ def populate_atlas_city_names(conn: sqlite3.Connection, dry_run: bool) -> int:
     return len(rows)
 
 
-# body_type preference for the most_populated_body_in_system tiebreak — lower
-# sorts first. Only breaks a population TIE (real population always wins);
-# this exists because a plain population-then-body_id sort can otherwise land
-# on an asteroid_belt/oort_cloud sibling purely because '-' (the body_id
-# naming convention for these types, e.g. "GJ702B-belt") sorts before letters
-# — a body type that structurally cannot host a settlement (found live in
-# T-1074/T-1075 regen: GJ 702B's 12 bodies are ALL population=0, and the old
-# alphabetical-only tiebreak picked "GJ702B-belt" over 6 sibling planets,
-# stranding prometheus-labs/kovalev-freight's CityTenant resolution with a
-# city-less body). planet/moon/gas_giant can plausibly carry cities or
-# stations; asteroid_belt/oort_cloud are geometry, never named settlements.
+# body_type rank for the most_populated_body_in_system LAST-RESORT tiebreak —
+# lower sorts first. This is NOT "belts can't host settlements" (they can and
+# DO in this world: GJ845-belt hosts Orkney Ceramics, GJ268-belt hosts Jeju
+# Lattice, GJ222A-belt hosts two Standalone-HQ settlements — PR #177 review
+# H2 corrected the earlier false premise). It only engages when a system's
+# bodies tie on BOTH population and city-presence — i.e. a fully cityless,
+# fully unpopulated system, where NOTHING in the data distinguishes the
+# siblings (found live: GJ 702B — 12 bodies, all population=0, zero city rows
+# anywhere). There, a bare body_id sort lands on the belt purely because '-'
+# (the naming convention for belts/oort clouds, e.g. "GJ702B-belt") sorts
+# before letters; among equally blank siblings a planet is the saner default
+# host for a future settlement than orbital rubble.
 _BODY_TYPE_SETTLEMENT_PREFERENCE: dict[str, int] = {
     "planet": 0,
     "moon": 1,
@@ -184,23 +185,39 @@ _BODY_TYPE_SETTLEMENT_PREFERENCE: dict[str, int] = {
 }
 
 
-def most_populated_body_in_system(conn: sqlite3.Connection, system_id: str) -> str | None:
-    """Return the most-populated body_id in `system_id`, or None if the system
-    has no bodies.
+def most_populated_body_in_system(
+    conn: sqlite3.Connection, system_id: str, city_bearing_bodies: set[str]
+) -> str | None:
+    """Return the body_id in `system_id` that should host a corp HQ, or None
+    if the system has no bodies.
 
-    D-242, T-1074: this is the heuristic the retired
+    D-242, T-1074: descended from the heuristic the retired
     `populate_atlas_city_names_corps` (D-207, #909) used to attach a corp-HQ
-    row to a body — lifted out here (rather than duplicated) so
-    `populate_corp_specialization` (economy_import/corporations.py) can reuse
-    it to backfill `corporations.headquarters_body` for Standalone HQs.
+    row to a body; used by `populate_corp_specialization`
+    (economy_import/corporations.py) to resolve `corporations.headquarters_body`
+    on every run (PR #177 H1 — recompute, never treat prior DB output as
+    authored).
 
-    Deterministic tiebreak, in order (D-010 #4): (1) population descending —
-    real population always wins regardless of type; (2) body_type preference
-    (planet < moon < gas_giant < asteroid_belt/oort_cloud — see
-    `_BODY_TYPE_SETTLEMENT_PREFERENCE`) — only engages among population TIES,
-    so it never overrides an authored population signal, it only picks a
-    saner body among zero-population siblings; (3) body_id ascending, the
-    final tiebreak when population AND type both tie.
+    Deterministic tiebreak, in order (D-010 #4; PR #177 H2):
+    (1) population descending — an authored population signal always wins;
+    (2) city-presence — a body in `city_bearing_bodies` (has atlas_city_names
+        rows) beats a cityless sibling. This is what keeps settlements where
+        they already are: a belt that hosts settlements stays the system's HQ
+        anchor (GJ845-belt/GJ268-belt tenancies), while a genuinely cityless
+        system falls through to (3);
+    (3) body_type rank (planet < moon < gas_giant < belt/oort — see
+        `_BODY_TYPE_SETTLEMENT_PREFERENCE`) — last resort among fully blank
+        siblings (GJ 702B → planet GJ702Bb);
+    (4) body_id ascending — final deterministic tiebreak.
+
+    `city_bearing_bodies` is the caller's snapshot of `SELECT DISTINCT body_id
+    FROM atlas_city_names` taken BEFORE this run's pool rebuild (step 7b runs
+    before step 12's clear) — i.e. the PREVIOUS run's settled state. That is a
+    deliberate hysteresis: established settlements anchor future HQ placement
+    (settlement continuity across regens), and the fixpoint is stable — a
+    run's output presence distribution reproduces itself, so consecutive
+    regens compute identical values. See populate_corp_specialization's
+    docstring for the one-run-lag / fresh-DB caveats.
     """
     rows = conn.execute(
         "SELECT body_id, body_type, COALESCE(population, 0) FROM bodies WHERE system_id = ?",
@@ -211,7 +228,8 @@ def most_populated_body_in_system(conn: sqlite3.Connection, system_id: str) -> s
     rows.sort(
         key=lambda r: (
             -r[2],  # population descending
-            _BODY_TYPE_SETTLEMENT_PREFERENCE.get(r[1], 3),  # body_type preference
+            0 if r[0] in city_bearing_bodies else 1,  # city-bearing body wins
+            _BODY_TYPE_SETTLEMENT_PREFERENCE.get(r[1], 3),  # body_type rank
             r[0],  # body_id ascending
         )
     )
diff --git a/tooling/economy-db/economy_import/corporations.py b/tooling/economy-db/economy_import/corporations.py
index 576de28af..1bf88c389 100644
--- a/tooling/economy-db/economy_import/corporations.py
+++ b/tooling/economy-db/economy_import/corporations.py
@@ -57,9 +57,16 @@ def load_wiki_corps() -> list[dict]:
         system_id = m.group(1) if m else None
         # D-242, T-1074: authored corp_specialization frontmatter key — the
         # HQ-placement key (reuses the D-237 specialization_vocabulary
-        # id-space, extended from 27 to 30 values for corp coverage; see
+        # id-space, extended from 27 to 31 values for corp coverage; see
         # wiki/economics/corp_hq_placement.toml). Optional — None until a
         # corp's page is authored with the key.
+        #
+        # headquarters_body (PR #177 H1): optional authored body_id override.
+        # When present it pins corporations.headquarters_body directly (hard-
+        # validated at import: the body must exist AND sit in the corp's
+        # headquarters system); absent, the deterministic heuristic derives it
+        # on every run. Authored overrides live HERE (source), never in the DB
+        # — the asset-pipeline golden rule. No page authors it yet.
         corps.append({
             "corp_id": fm["slug"],
             "proper_name": fm["title"],
@@ -67,6 +74,7 @@ def load_wiki_corps() -> list[dict]:
             "tags": fm.get("tags", []),
             "scope": fm.get("scope", ""),
             "corp_specialization": fm.get("corp_specialization") or None,
+            "headquarters_body": fm.get("headquarters_body") or None,
         })
     return corps
 
@@ -191,42 +199,65 @@ def _resolve_hq_location(
 def populate_corp_specialization(
     conn: sqlite3.Connection, wiki_corps: list[dict], dry_run: bool
 ) -> dict:
-    """Phase A of the D-242 corp-HQ model (T-1074).
+    """Phase A of the D-242 corp-HQ model (T-1074; reworked per PR #177 H1/H2/T2).
 
-    For every wiki corp: validate its authored `corp_specialization` (frontmatter
-    key, reuses the D-237 `specialization_vocabulary` id-space — see
-    wiki/economics/corp_hq_placement.toml header) against the vocabulary table
-    (must run AFTER `import_system_specialization`, which populates
+    RESET + DERIVE, every run. The three importer-owned columns on
+    `corporations` — `corp_specialization`, `hq_placement`,
+    `headquarters_body` — are NULLed for ALL corps first, then re-derived from
+    source. Nothing in those columns is ever treated as authored: `corporations`
+    is append-only (never cleared), so any keep-if-set guard would freeze the
+    FIRST run's output forever and silently promote DB state to source — the
+    exact inversion of the asset-pipeline golden rule (PR #177 H1: the old
+    fill-only-when-NULL backfill made the heuristic a permanent one-shot; its
+    own earlier output blocked every later fix from applying). The reset also
+    guarantees a frontmatter key REMOVED from a corp's page reverts that corp
+    to NULL instead of leaving a stale baked value (T2 — mirrors the
+    settlement_class reset in atlas.populate_settlement_population_class).
+    The fourth derived column, `headquarters_city_id`, follows the same
+    discipline at steps 12/13 (NULLed in populate_atlas_city_names, re-derived
+    in populate_standalone_hq_settlements).
+
+    For every wiki corp: validate its authored `corp_specialization`
+    (frontmatter key, reuses the D-237 `specialization_vocabulary` id-space —
+    see wiki/economics/corp_hq_placement.toml header) against the vocabulary
+    table (must run AFTER `import_system_specialization`, which populates
     `specialization_vocabulary`); resolve `hq_placement` ('CityTenant' |
-    'Standalone') from `corp_hq_placement.toml`; and backfill
-    `corporations.headquarters_body` via the most-populated-body-in-system
-    heuristic (`atlas.most_populated_body_in_system` — lifted from the retired
-    `populate_atlas_city_names_corps`, D-207/#909) for any corp that doesn't
-    already have one authored.
+    'Standalone') from `corp_hq_placement.toml`; and resolve
+    `headquarters_body`: an authored `headquarters_body:` frontmatter override
+    wins (hard-validated: the body must exist and sit in the corp's
+    headquarters system; no page authors one yet), else the deterministic
+    heuristic (`atlas.most_populated_body_in_system`) derives it with the
+    PR #177 H2 tiebreak — population DESC, then city-bearing body (has
+    atlas_city_names rows), then body-type rank, then body_id.
+
+    **City-presence timing (H2):** the presence set is read here, at step 7b —
+    BEFORE step 12 clears/rebuilds the pool — so it reflects the PREVIOUS
+    run's settled state (pool cities + Standalone-HQ settlements). Deliberate
+    hysteresis: established settlements anchor HQ placement across regens
+    (GJ845-belt keeps Orkney Ceramics + calluna-wellness's tenancy), and the
+    fixpoint is stable — each run's output reproduces the presence
+    distribution it read, so consecutive regens derive identical values. Two
+    documented consequences: a brand-new Standalone corp's settlement only
+    influences OTHER corps' placement from the run after it first lands
+    (one-run lag, converges immediately); and a hypothetical from-empty DB
+    rebuild would see an inert presence tier on its first run (regen-db always
+    evolves the committed snapshot, so this does not arise in practice — if
+    the table is empty a loud warning prints rather than silently degrading).
 
     Must run AFTER `sync_corporations` (corp rows must exist) and BEFORE
     `import_corp_presence` (which reads `headquarters_body` back off
-    `corporations` to resolve corp_presence locations, #909's existing
-    resolution order) — so `import_corp_presence` picks up the backfilled
-    value for free, with no change to its own logic.
+    `corporations`) and BEFORE step 12 (see presence timing above).
 
-    Does NOT touch `atlas_city_names` — this is Phase A. Phase B
-    (`populate_standalone_hq_settlements`) runs after `populate_atlas_city_names`
-    and emits Standalone-HQ settlement rows + resolves CityTenant
-    `headquarters_city_id` links, since both need the city pool to exist.
+    HARD error (raises ImportAborted) on: a `corp_specialization` value not in
+    the vocabulary; a vocabulary id with no placement stanza; an invalid
+    placement value; or an authored `headquarters_body` override that names a
+    missing body or a body outside the corp's headquarters system. A corp with
+    NO authored `corp_specialization` is a soft warning (stays NULL across the
+    board — the 10 legacy DB-only corps have no wiki page); all 155 wiki corps
+    are authored as of T-1074.
 
-    HARD error (raises ImportAborted) if any corp's authored
-    `corp_specialization` is non-empty but not a valid vocabulary id, OR if
-    any corp's specialization does not resolve to a placement value in
-    `corp_hq_placement.toml` (a vocabulary/placement-map drift — every
-    vocabulary id must have a placement stanza). A corp with NO authored
-    `corp_specialization` is a soft warning (defers headquarters_body
-    backfill and Phase B placement for that corp) — not fatal, so an
-    un-authored future corp doesn't block regen-db; but ALL 165 corps in the
-    live wiki are authored as of T-1074, so this path is not expected to fire
-    on the shipped data.
-
-    Returns a coverage dict: {"total", "specialized", "placed", "backfilled_hq"}.
+    Returns a coverage dict:
+    {"total", "specialized", "hq_resolved", "hq_overridden"}.
     """
     with open(CORP_HQ_PLACEMENT_TOML, "rb") as f:
         placement_map: dict[str, dict] = tomllib.load(f)
@@ -234,12 +265,26 @@ def populate_corp_specialization(
     valid_spec_ids = {
         r[0] for r in conn.execute("SELECT specialization_id FROM specialization_vocabulary").fetchall()
     }
+    valid_body_system = {
+        r[0]: r[1]
+        for r in conn.execute("SELECT body_id, system_id FROM bodies").fetchall()
+    }
+    # H2 presence set — previous run's settled state (see docstring timing note).
+    city_bearing_bodies = {
+        r[0] for r in conn.execute("SELECT DISTINCT body_id FROM atlas_city_names").fetchall()
+    }
+    if not city_bearing_bodies:
+        print(
+            "        warning: atlas_city_names is empty — the city-presence "
+            "tiebreak tier is inert this run (placements fall through to "
+            "body-type rank; they converge on the next run)"
+        )
 
     errors: list[str] = []
     unauthored: list[str] = []
 
-    # (corp_id, corp_specialization, hq_placement) rows to write.
-    spec_rows: list[tuple[str, str, str]] = []
+    # (corp_id, corp_specialization, hq_placement, authored_hq_body_or_None).
+    spec_rows: list[tuple[str, str, str, str | None]] = []
 
     for corp in wiki_corps:
         corp_id = corp["corp_id"]
@@ -267,7 +312,25 @@ def populate_corp_specialization(
                 f"(expected 'CityTenant' or 'Standalone')"
             )
             continue
-        spec_rows.append((corp_id, spec, placement))
+        # Authored headquarters_body override (H1) — hard-validate: typos in
+        # freshly-authored data must fail loudly, not silently fall back.
+        authored_body = corp.get("headquarters_body")
+        if authored_body is not None:
+            if authored_body not in valid_body_system:
+                errors.append(
+                    f"{corp_id}: authored headquarters_body '{authored_body}' is not a "
+                    f"known bodies.body_id"
+                )
+                continue
+            corp_system = corp.get("system_id")
+            if corp_system and valid_body_system[authored_body] != corp_system:
+                errors.append(
+                    f"{corp_id}: authored headquarters_body '{authored_body}' sits in "
+                    f"system '{valid_body_system[authored_body]}', not the corp's "
+                    f"headquarters system '{corp_system}'"
+                )
+                continue
+        spec_rows.append((corp_id, spec, placement, authored_body))
 
     if errors:
         print(f"  CORP SPECIALIZATION ERRORS ({len(errors)}):")
@@ -278,45 +341,51 @@ def populate_corp_specialization(
     if unauthored:
         print(
             f"        warning: {len(unauthored)} corp(s) have no authored "
-            f"corp_specialization (headquarters_body/placement skipped): {unauthored[:5]}"
+            f"corp_specialization (stay NULL; no HQ placement): {unauthored[:5]}"
         )
 
-    n_backfilled = 0
-    if not dry_run:
-        for corp_id, spec, placement in spec_rows:
-            conn.execute(
-                "UPDATE corporations SET corp_specialization = ?, hq_placement = ? "
-                "WHERE corp_id = ?",
-                (spec, placement, corp_id),
-            )
-        # Backfill headquarters_body — only for rows that don't already have one
-        # (never clobber an authored value; today none are authored, but the
-        # column exists precisely so a future ticket CAN author one directly).
-        for corp_id, _spec, _placement in spec_rows:
-            row = conn.execute(
-                "SELECT headquarters_system, headquarters_body FROM corporations WHERE corp_id = ?",
+    # Pre-compute the resolution so dry-run reports the same numbers a real
+    # run writes (write is gated on dry_run; the derivation is not).
+    n_resolved = 0
+    n_overridden = 0
+    resolved_rows: list[tuple[str, str, str, str | None]] = []
+    for corp_id, spec, placement, authored_body in spec_rows:
+        if authored_body is not None:
+            resolved = authored_body
+            n_overridden += 1
+        else:
+            hq_system_row = conn.execute(
+                "SELECT headquarters_system FROM corporations WHERE corp_id = ?",
                 (corp_id,),
             ).fetchone()
-            if row is None:
-                continue
-            hq_system, hq_body = row
-            if hq_body:
-                continue
-            if not hq_system:
-                continue
-            resolved = most_populated_body_in_system(conn, hq_system)
-            if resolved:
-                conn.execute(
-                    "UPDATE corporations SET headquarters_body = ? WHERE corp_id = ?",
-                    (resolved, corp_id),
-                )
-                n_backfilled += 1
+            hq_system = hq_system_row[0] if hq_system_row else None
+            resolved = (
+                most_populated_body_in_system(conn, hq_system, city_bearing_bodies)
+                if hq_system
+                else None
+            )
+        if resolved is not None:
+            n_resolved += 1
+        resolved_rows.append((corp_id, spec, placement, resolved))
+
+    if not dry_run:
+        # T2/H1 reset: importer-owned columns are never source — wipe, then derive.
+        conn.execute(
+            "UPDATE corporations SET corp_specialization = NULL, "
+            "hq_placement = NULL, headquarters_body = NULL"
+        )
+        for corp_id, spec, placement, resolved in resolved_rows:
+            conn.execute(
+                "UPDATE corporations SET corp_specialization = ?, hq_placement = ?, "
+                "headquarters_body = ? WHERE corp_id = ?",
+                (spec, placement, resolved, corp_id),
+            )
 
     return {
         "total": len(wiki_corps),
         "specialized": len(spec_rows),
-        "placed": len(spec_rows),
-        "backfilled_hq": n_backfilled,
+        "hq_resolved": n_resolved,
+        "hq_overridden": n_overridden,
     }
 
 
@@ -403,7 +472,7 @@ def populate_standalone_hq_settlements(conn: sqlite3.Connection, dry_run: bool)
       settlement named after the corp (`proper_name`), on `headquarters_body`,
       with `economic_role` from `corp_hq_placement.toml`'s
       `standalone_economic_role` (the existing 10-value D-195/D-197 vocabulary
-      — NOT the 30-value specialization_vocabulary, which `match_cities`/
+      — NOT the 31-value specialization_vocabulary, which `match_cities`/
       `CompatibilityMatrix` do not index). `population = 0` — T-1075 bakes the
       per-settlement population spread over the corrected pool (this row
       included) in a later step; this function only creates the row.
diff --git a/tooling/economy-db/economy_import/paths.py b/tooling/economy-db/economy_import/paths.py
index 8e905c88b..fb9557227 100644
--- a/tooling/economy-db/economy_import/paths.py
+++ b/tooling/economy-db/economy_import/paths.py
@@ -14,6 +14,7 @@ from generator_sources import (
     ARCHITECTURE_ZONE_BIAS_TOML,
     COLOR_REGISTER_BANDS_TOML,
     CORP_HQ_PLACEMENT_TOML,
+    CORPORATIONS_DIR,
     GENERATE_BRANDS_WRAPPER,
     OBJECT_TAG_VOCABULARY_TOML,
     REPO_ROOT,
@@ -52,7 +53,9 @@ COMMODITIES_TOML: Path = REPO_ROOT / "wiki" / "economics" / "commodities.toml"
 CHAINS_TOML: Path = REPO_ROOT / "wiki" / "economics" / "production_chains.toml"
 CURRENCY_ZONES_TOML: Path = REPO_ROOT / "wiki" / "economics" / "currency_zones.toml"
 SCHEMA_SQL: Path = REPO_ROOT / "server" / "data" / "systems-schema.sql"
-CORPORATIONS_DIR: Path = REPO_ROOT / "wiki" / "corporations"
+# CORPORATIONS_DIR moved to generator_sources.py (T1, PR #177): the corp pages
+# are now part of the stamped source set, and stamped paths are defined once
+# in the registry — re-exported via the import block above.
 WIKI_STAR_SYSTEMS: Path = REPO_ROOT / "wiki" / "star-systems"
 BRANDS_TOML: Path = REPO_ROOT / "wiki" / "economics" / "corporations" / "brands.toml"
 GENERATED_BRANDS_TOML: Path = (
diff --git a/tooling/economy-db/import_economics.py b/tooling/economy-db/import_economics.py
index 9736dcdb6..cc05b274d 100755
--- a/tooling/economy-db/import_economics.py
+++ b/tooling/economy-db/import_economics.py
@@ -183,13 +183,19 @@ def main() -> None:
         print(f"        {n_db_corps} corporations in DB ({len(wiki_corps)} from wiki)")
 
         # 7b. Corp specialization + HQ placement (D-242, T-1074) — Phase A.
-        # Must run after corp sync (rows must exist) and before corp_presence
-        # (which reads headquarters_body back off corporations).
+        # Reset + derive on every run (PR #177 H1/T2): the importer-owned
+        # corporations columns are NULLed and re-derived from source, never
+        # kept from a prior run. Must run after corp sync (rows must exist),
+        # before corp_presence (which reads headquarters_body back off
+        # corporations), and before step 12 (the H2 city-presence tiebreak
+        # reads atlas_city_names BEFORE this run's clear/rebuild — the
+        # previous run's settled state, by design).
         print("  [7b/10] Importing corp specialization + HQ placement (D-242)...")
         corp_spec = corporations.populate_corp_specialization(conn, wiki_corps, args.dry_run)
         print(
             f"        {corp_spec['specialized']}/{corp_spec['total']} corps specialized, "
-            f"{corp_spec['backfilled_hq']} headquarters_body backfilled"
+            f"{corp_spec['hq_resolved']} headquarters_body resolved (recomputed every run; "
+            f"{corp_spec['hq_overridden']} authored overrides)"
         )
 
         # 8. Corp presence from wiki headquarters data
diff --git a/tooling/generator_sources.py b/tooling/generator_sources.py
index 0ff97e4c3..647394427 100644
--- a/tooling/generator_sources.py
+++ b/tooling/generator_sources.py
@@ -79,6 +79,14 @@ SYSTEM_SPECIALIZATION_TOML: Path = (
 CORP_HQ_PLACEMENT_TOML: Path = (
     REPO_ROOT / "wiki" / "economics" / "corp_hq_placement.toml"
 )
+# The corp wiki pages themselves (PR #177 review T1): their frontmatter
+# (corp_specialization, headquarters, optional headquarters_body) now shapes
+# the DB — specialization drives hq_placement, headquarters_body, and the
+# Standalone-HQ settlement rows in atlas_city_names — so a page edit without a
+# regen must trip the stamp check exactly like a TOML edit does. Defined here
+# (not in economy_import/paths.py) per the stamped-paths-live-here convention;
+# paths.py re-exports it.
+CORPORATIONS_DIR: Path = REPO_ROOT / "wiki" / "corporations"
 # D-242 population/settlement_class bake (T-1075): the small authored
 # NameLocked hero-city override list.
 SETTLEMENT_NAME_LOCKED_TOML: Path = (
@@ -127,14 +135,38 @@ def _economy_import_modules() -> tuple[Path, ...]:
     return modules
 
 
+def _corporation_pages() -> tuple[Path, ...]:
+    """All corp wiki pages the importer reads, collected by glob (T1, PR #177).
+
+    `load_wiki_corps` (economy_import/corporations.py) reads every
+    wiki/corporations/*.md EXCEPT index.md — the frontmatter feeds
+    corp_specialization/hq_placement/headquarters_body and the Standalone-HQ
+    settlement rows, so the read-set is stamped with the same glob-not-list +
+    fail-closed discipline as `_economy_import_modules`. index.md is excluded
+    because the importer skips it by name: stamping it would flag a false
+    stale on edits that cannot change DB output.
+    """
+    pages = tuple(
+        sorted(p for p in CORPORATIONS_DIR.glob("*.md") if p.name != "index.md")
+    )
+    if not pages:
+        raise RuntimeError(
+            f"corporation pages not found at {CORPORATIONS_DIR} — "
+            "the import_economics stamp source set would be incomplete"
+        )
+    return pages
+
+
 # Canonical source set for import_economics' meta stamp.  Covers the Python
 # entrypoint and its module package, the Rust binary it invokes (generate_brands
 # main.rs + names.rs + surname corpus + wrapper script), the shared schema
-# version constant, the authored data TOMLs, and this registry itself.
+# version constant, the authored data TOMLs, the corp wiki pages whose
+# frontmatter the importer bakes (T1, PR #177), and this registry itself.
 IMPORT_ECONOMICS_SOURCES: tuple[Path, ...] = (
     Path(__file__).resolve(),  # registry changes must stale the stamp
     IMPORT_ECONOMICS_ENTRYPOINT,
     *_economy_import_modules(),
+    *_corporation_pages(),
     GENERATE_BRANDS_RS,
     GENERATE_BRANDS_NAMES_RS,
     GENERATE_BRANDS_SURNAMES_RS,
diff --git a/wiki/corporations/somatic-futures.md b/wiki/corporations/somatic-futures.md
index e36a1ced4..fa53e7254 100644
--- a/wiki/corporations/somatic-futures.md
+++ b/wiki/corporations/somatic-futures.md
@@ -9,7 +9,7 @@ updated: 2026-04-05
 scope: reach-wide
 faction_type: economic
 headquarters: Kallast (GJ 144)
-corp_specialization: professional_services
+corp_specialization: licensed_clinical_services
 tags: [medical_re-embodiment, medical_goods, longevity, tractus, assembly, ran]
 decision_refs: [D-175, D-174]
 cross_refs: []
diff --git a/wiki/economics/corp_hq_placement.toml b/wiki/economics/corp_hq_placement.toml
index 2b1ec9e32..c3689d9d5 100644
--- a/wiki/economics/corp_hq_placement.toml
+++ b/wiki/economics/corp_hq_placement.toml
@@ -25,11 +25,12 @@
 # This file has exactly one stanza per corp_specialization value — the
 # REUSED D-237 specialization_vocabulary id-space (see
 # wiki/economics/specialization_vocabulary.toml): the original 27
-# system-authored values plus 3 corp-only Services-extension values added
+# system-authored values plus 4 corp-only Services-extension values added
 # alongside this file (trade_distribution, hospitality_hub,
-# professional_services — a real gap the T-1074 corp categorization pass
-# found: ~10% of corps do logistics/hospitality/consulting work no original
-# value covered). D-242 asked for an authored "specialization -> HQ-placement
+# professional_services, licensed_clinical_services — real gaps the T-1074
+# corp categorization pass found: ~10% of corps do logistics/hospitality/
+# consulting/licensed-clinical work no original value covered; the fourth
+# landed via PR #177 M1). D-242 asked for an authored "specialization -> HQ-placement
 # map"; this vocabulary already exists and already carries the signal that
 # decides placement (bulk_class_projected: NonPhysical vs everything else),
 # so rather than invent a second, parallel corp-only taxonomy, the map below
@@ -178,11 +179,11 @@ hq_placement = "CityTenant"
 hq_placement = "CityTenant"
 
 # -------------------------------------------------------------------------
-# Services extension (3, all NonPhysical) — added alongside the vocabulary
-# extension in specialization_vocabulary.toml (D-242/T-1074). Same rule as
-# the rest of Services: NonPhysical -> CityTenant (an office/depot, not a
-# factory — this is exactly what made these corps hard to place in the
-# original 27).
+# Services extension (4, all NonPhysical) — added alongside the vocabulary
+# extension in specialization_vocabulary.toml (D-242/T-1074; the fourth via
+# PR #177 M1). Same rule as the rest of Services: NonPhysical -> CityTenant
+# (an office/depot/clinic, not a factory — this is exactly what made these
+# corps hard to place in the original 27).
 # -------------------------------------------------------------------------
 [trade_distribution]
 hq_placement = "CityTenant"
@@ -192,3 +193,6 @@ hq_placement = "CityTenant"
 
 [professional_services]
 hq_placement = "CityTenant"
+
+[licensed_clinical_services]
+hq_placement = "CityTenant"
diff --git a/wiki/economics/settlement_name_locked.toml b/wiki/economics/settlement_name_locked.toml
index 42ab64393..61b658805 100644
--- a/wiki/economics/settlement_name_locked.toml
+++ b/wiki/economics/settlement_name_locked.toml
@@ -28,14 +28,20 @@
 # frequently equalled its system's proper_name, e.g. Gate Corp's
 # "headquarters: Renaissance (GJ 251)"). Once that insert path was removed
 # (D-242's whole point), those names no longer exist in the pure
-# markers.json pool. Every entry below was re-verified against a real
-# `make regen-db` output — see the note on each stanza for its actual
-# source row. Prometheus (GJ 702B) is DROPPED from this list — verified
-# live: every one of its 12 bodies has zero authored markers.json city
-# names AND zero population, so there is no settlement to pin at all (a
-# genuine wiki content gap: the Reach's longevity-monopoly hero system has
-# no named city anywhere in its system — flagged for the lead, not fixed
-# here; population/settlement_class baking cannot invent a name to pin).
+# markers.json pool. Every entry below is verified against real, repeated
+# `make regen-db` runs — see the note on each stanza for its actual source
+# row. Note (PR #177 H1/H3): corporations.headquarters_body is RECOMPUTED
+# from source on every run now, so the three corp-named Standalone-HQ pins
+# below (Cygni Combines, The Gate Corporation, Mastroianni Vehicle Group)
+# hold because their HQ bodies carry real authored population — the
+# population-first tiebreak re-derives the same body every run (verified:
+# two consecutive regens, all 8 pins applied, zero placement drift) — not
+# because a stale first-run value is being kept. Prometheus (GJ 702B) is
+# DROPPED from this list — verified live: every one of its 12 bodies has
+# zero authored markers.json city names AND zero population, so there is
+# no settlement to pin at all (a genuine wiki content gap: the Reach's
+# longevity-monopoly hero system has no named city anywhere — T-1115
+# authors the missing names; the bake cannot invent a name to pin).
 #
 # Match key: (body_id, name) against atlas_city_names — NOT the numeric
 # atlas_city_names.id, which is regen-volatile (AUTOINCREMENT, no
diff --git a/wiki/economics/specialization_vocabulary.toml b/wiki/economics/specialization_vocabulary.toml
index 77cf9af83..b52ff7c03 100644
--- a/wiki/economics/specialization_vocabulary.toml
+++ b/wiki/economics/specialization_vocabulary.toml
@@ -15,8 +15,8 @@
 # specialization is authored directly in its wiki-page frontmatter
 # (wiki/corporations/*.md, key: corp_specialization), not in a separate
 # per-corp TOML — one value in this table, two authored sources reading it.
-# The 3-value "Services extension" block near the end of the Services
-# section was added for corp_specialization coverage (a corp-only gap the
+# The 4-value "Services extension" block near the end of the Services
+# section was added for corp_specialization coverage (corp-only gaps the
 # original 27 system-scale values didn't need to cover); nothing stops a
 # future system from adopting them too if the fit is right.
 #
@@ -266,21 +266,23 @@ production_ubiquity_projected = "MonopolySource"
 description = "The single licensed longevity/re-embodiment facility; access-controlled (Prometheus)."
 
 # -------------------------------------------------------------------------
-# Services extension (3) — added D-242/T-1074 for corp_specialization reuse.
+# Services extension (4) — added D-242/T-1074 for corp_specialization reuse
+# (first three), extended with licensed_clinical_services per PR #177 M1.
 #
 # The categorization pass that backfilled corp_specialization for all 165
-# corporations (T-1074) found 16/155 wiki corps (~10%) whose actual business
+# corporations (T-1074) found ~10% of wiki corps whose actual business
 # — moving/selling already-made goods, running hospitality/tourism
-# properties, or general professional advisory — had no honest fit among
-# the original 24 system-authored values above. Per D-242's amendment
-# ("prefer reusing/extending the existing vocabulary over inventing a
-# parallel taxonomy"), these three values extend the shared vocabulary
-# rather than spawn a corp-only one. All three are NonPhysical (services;
-# CityTenant HQ placement per corp_hq_placement.toml) even though
-# trade_distribution's anchor commodity is itself physical — the
-# SPECIALIZATION is the logistics/service activity, not manufacture, which
-# is exactly the distinction that made these corps ungroupable in the first
-# place (a distributor's HQ is an office/depot, not a factory).
+# properties, general professional advisory, or licensed multi-site
+# clinical care — had no honest fit among the original 27 system-authored
+# values above. Per D-242's amendment ("prefer reusing/extending the
+# existing vocabulary over inventing a parallel taxonomy"), these values
+# extend the shared vocabulary rather than spawn a corp-only one. All four
+# are NonPhysical (services; CityTenant HQ placement per
+# corp_hq_placement.toml) even though trade_distribution's anchor commodity
+# is itself physical — the SPECIALIZATION is the logistics/service
+# activity, not manufacture, which is exactly the distinction that made
+# these corps ungroupable in the first place (a distributor's HQ is an
+# office/depot, not a factory).
 # -------------------------------------------------------------------------
 [trade_distribution]
 commodity_id = "consumer_goods"
@@ -302,3 +304,10 @@ production_ubiquity_override = ""           # catalog default (regional)
 bulk_class_projected = "NonPhysical"
 production_ubiquity_projected = "Common"
 description = "General business/strategy/operational advisory — risk, consulting, arbitration outside the dedicated legal_archive/financial_hub identities (Saigon Consulting, Lusaka Advisory)."
+
+[licensed_clinical_services]
+commodity_id = "medical_services"
+production_ubiquity_override = "concentrated"
+bulk_class_projected = "NonPhysical"
+production_ubiquity_projected = "Specialist"
+description = "Licensed multi-site clinical network — Assembly-certified medical/re-embodiment operators, one of several (Somatic Futures, 40+ clinics); the non-monopoly counterpart to longevity_monopoly (Prometheus, THE sole facility)."